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Identities

I'm stuck wth these identities for C2.

1) (1 - sinx)/cosx = cosx/(1 + sinx)

2) (1- 2 sin^2x)/(cosx + sinx) = cosx - sinx

Thanks for any help.
Reply 1
Avatar for Daisuke
Daisuke
definite_maybe
I'm stuck wth these identities for C2.

1) (1 - sinx)/cosx = cosx/(1 + sinx)

2) (1- 2 sin^2x)/(cosx + sinx) = cosx - sinx

Thanks for any help.


What are the questions? How to get from the first to the last?
Daisuke
What are the questions? How to get from the first to the last?


It just says to prove these identities.
Reply 3
Avatar for tcassey
tcassey
Try rearranging them and see where it takes you ... my guess, well its not a guess i just did it, somewhere useful

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