Can somebody help me simplify this?

(cos2x+sin^2x)/(cos^2x)

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- Jun 1st 2008, 07:14 PMunmcintoshHomework help
Can somebody help me simplify this?

(cos2x+sin^2x)/(cos^2x) - Jun 1st 2008, 07:25 PMtopsquark
- Jun 1st 2008, 07:37 PMunmcintosh
thanks for the help and everything, but could you or someone else explain how you got from the first step to the second please?

- Jun 1st 2008, 07:46 PMtopsquark

We also have that

as well.

See here.

-Dan - Jun 1st 2008, 08:18 PMunmcintosh
thank you. my test is tomorrow so im basically screwed. Also, could somebody help me verify

-2cos^2xtan(-x)=sin2x

please? - Jun 1st 2008, 10:38 PMChris L T521