Working on trig identities and came across a problem:
(1-sin t)^2/ cos^2 t = 1-sin t/ 1+ sin t
This is as far as I got: cos ^2 t/ cos ^2 t=1-sin t/ 1+ sin t
Help please :)

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You are welcome... You will use sin^2x + cos^2x = 1 a bunch....

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