Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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- bobbym
- 2012-12-02 07:17:35
Hi;
Okay, good luck then and welcome to the forum.
- unlucky guy
- 2012-12-02 02:11:51
no he isn't 
im sure
- bobbym
- 2012-12-02 00:06:34
Hi;
Please let me know what your evil teacher thinks of it. He sounds like a moderator I know on another forum. If they are the same, he will absolutely hate my answer...
- unlucky guy
- 2012-12-02 00:02:59
thanks 
- bobbym
- 2012-12-01 23:42:43
Hi unlucky guy;
One of the easiest ways is to find an obvious counterexample:
so sec(0) is 1 / 1 because cos(0) is 1.
because
- unlucky guy
- 2012-12-01 23:19:33
my teacher is evil and won't explain everything. he wants brides and stuff like that... he gave only one easy example about trigonometric function and gave 48 exercises as a homework including problems.
please can u help me with this one...
prove that sin t + sec t = tan t is not an identity. and please with little bit more explanation about how you solving