Using the definations of sec, cosec, cot and tan simplify the following expression;

Printable View

- June 20th 2009, 07:58 AMTweetysimplify trig expression
Using the definations of sec, cosec, cot and tan simplify the following expression;

- June 20th 2009, 08:02 AMmalaygoel
- June 20th 2009, 08:05 AMTweety
Thanks,

thats also the same answer I got but my book says the correct answer is cosx

could the book be wrong? - June 20th 2009, 08:25 AMskeeter
- June 20th 2009, 11:47 AMTweety