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#4401 2012-12-28 23:01:52

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

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#4402 2012-12-29 18:35:03

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi bobbym,

The solutions #4510 and #4511 are correct. Good work!

In triangle ABC, right angled at B, if

, find the value of

#4512. sin A cos C + cos A sin C

#4513. cos A cos C - sin A sin C


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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#4403 2012-12-30 01:12:15

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

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#4404 2012-12-30 18:34:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi bobbym,

The solutions #4512 and #4513 are correct. Neat work!

#4514. In a triangle ABC right angled at C, if tan A =

, find sin A cos B + cos A sin B.

#4515. If cosec A = 2, 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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#4405 2012-12-31 02:51:08

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4406 2012-12-31 18:38:07

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi bobbym,

The solutions #4514 and #4515 are correct. Neat work!

Evaluate :

#4516. sin 60[sup]o[/sup] cos 30[sup]o[/sup] + sin 30[sup]o[/sup] cos 60[sup]o[/sup]

#4517. 2 tan[sup]2[/sup]45[sup]o[/sup] + cos[sup]2[/sup]30[sup]o[/sup] - sin[sup]2[/sup]60[sup]o[/sup]


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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#4407 2013-01-01 01:55:55

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4408 2013-01-01 18:36:12

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi bobbym,

The solutions #4516 and #4517 are correct. Good work!

#4518. If tan θ =

, then find the value of sin θ.

#4519. If sin θ = 5/13, then find the value of tan 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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#4409 2013-01-01 22:39:19

scientia
Member
Registered: 2009-11-13
Posts: 224

Re: 10 second questions

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#4410 2013-01-02 03:36:00

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4411 2013-01-02 19:08:39

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi scientia and bobbym,

The solutions #4518 and #4519 are correct. Good work!

#4520. Find the value of cosec[sup]2[/sup]55[sup]o[/sup] - cot[sup]2[/sup]55[sup]o[/sup].

#4521. If cot A = 20/21, find the value of cosec A.


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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#4412 2013-01-02 23:02:59

scientia
Member
Registered: 2009-11-13
Posts: 224

Re: 10 second questions

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#4413 2013-01-03 02:35:09

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4414 2013-01-03 18:21:47

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi scientia and bobbym,

The solutions #4520 and #4521 are correct. Good work!

#4522. If cosec θ = 41/40, find the value of cos θ.

#4523. If cos θ = 3/5, find the value of (sin θ - cot θ)/2 tan 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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#4415 2013-01-04 19:15:54

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi,

#4524. If tan θ = 4/3, find the value of (3sinθ + 2cosθ)/(3sinθ - 2cosθ).

#4525. If cot θ = b/a, find the value of (cos θ + sin θ)/(cos θ - sin 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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#4416 2013-01-05 19:04:06

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi,

#4526. If

, find the value of

#4527.

= ?


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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#4417 2013-01-06 03:32:30

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4418 2013-01-06 04:57:43

scientia
Member
Registered: 2009-11-13
Posts: 224

Re: 10 second questions

Last edited by scientia (2013-01-06 05:46:33)

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#4419 2013-01-06 18:20:48

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi,

bobbym : The solutions #4524, #4525, #4526, and #4527 are all correct. Outstanding!

scientia : The solution #4527 is correct. Excellent!

#4528.

#4529.

= ?


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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#4420 2013-01-07 04:44:13

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4421 2013-01-07 18:30:20

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi bobbym,

The solutions #4528 and #4529 are correct. Excellent!

#4530. Find the value of

.

#4531. 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

#4422 2013-01-07 20:38:08

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4423 2013-01-08 18:32:31

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

Re: 10 second questions

Hi bobbym,

The solutions #4530 and #4531 are correct. Neat work!

#4532. Find the value of

.

#4533.


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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#4424 2013-01-09 04:47:31

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

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.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#4425 2013-01-09 17:51:02

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,196

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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