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#4426 2013-01-09 17:51:02

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4532 and #4533 are correct. Marvelous!

#4534. If

, find the value of
.

#4535. Find the value of


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4427 2013-01-09 21:20:16

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4428 2013-01-10 18:51:26

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4534 and #4535 are correct. Excellent!

#4536. If

, find the value of
.

#4537. If

, find the value of
.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4429 2013-01-11 03:10:07

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;



In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4430 2013-01-11 19:48:33

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4536 and #4537 are correct. Good work!

#4538. Find the value of

.

#4539. Find the value of

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4431 2013-01-11 20:14:25

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4432 2013-01-12 18:32:14

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4538 and #4539 are correct. Neat work!

#4540. Find the value of

.

#4541. If for an angle

,
, then find the value of
.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4433 2013-01-12 22:18:25

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4434 2013-01-13 19:18:50

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4540 and #4541 are correct. Brilliant!

#4541. Find the value of

.

#4542.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#4435 2013-01-14 06:51:39

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4436 2013-01-14 19:25:39

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4541 and #4542 are correct. Neat work!

#4543. Find the value of

.

#4544. Find the value of

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#4437 2013-01-15 00:48:59

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4438 2013-01-15 18:37:51

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4543 and #4544 are correct. Good work!

#4545. If θ is an acute angle and sec θ = 13/12, then find the value of tan θ.

#4546. If cos θ = 1/2, find the value of cosec[sup]2[/sup] θ.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4439 2013-01-16 02:19:59

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4440 2013-01-16 18:30:17

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solution #4545 is correct. Neat work!

The solution

#4547. In any triangle ABC, find the value of sin{(B + C)/2}.

#4548. If sec θ + tan θ = m and sec θ - tan θ = n, then find the value of mn.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4441 2013-01-17 15:50:35

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4442 2013-01-17 17:20:29

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4547 and #4548 are correct. Stupendous!

#4549. If cos θ = x and cosec θ = y, find cot θ.

#4550. Find the value of

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4443 2013-01-18 18:56:10

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

#4551. If

, find  θ.

#4552. If

, find  θ.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#4444 2013-01-18 22:52:57

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4445 2013-01-19 19:09:51

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4551 and #4552 are correct. Neat work!

#4553. The angle of elevation of the top of a tower from a point at a distance of 100 meters from the base of the tower is found to be 45 degrees. Find the height of the tower.

#4554. Find the angle of elevation of the top of a tower, whose height is 100 meters, at a point whose distance from the base of the tower is 100 meters.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#4446 2013-01-19 22:11:57

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4447 2013-01-20 18:05:14

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solutions #4553 and #4554 are correct. Good work!

#4555. If the angle of elevation of the Sun is 60 degrees, then find the ratio of the height of a tree with its shadow.

#4556. From the top of a 10 meter high tower, the angle of depression of a point on the ground is found to be 30 degrees. Find the distance of the point from the base of the tower.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#4448 2013-01-21 01:01:28

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#4449 2013-01-21 19:15:43

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,747

Re: 10 second questions

Hi bobbym,

The solution #4555 is correct. Good work!

#4557. Find the value of x is

.

#4558.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#4450 2013-01-21 22:23:08

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,691

Re: 10 second questions

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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