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OpenStudy (anonymous):
Verify trig the identity Verify the identity. (1-sinx)/cosx=cosx/(1+sinx)
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OpenStudy (anonymous):
Heres what we start with: \[\frac{ 1-\sin }{ \cos }=\frac{ \cos }{ 1+\sin }\]We could try cross multiplying which will give us the following: \[\cos^2 = (1-\sin)(1+\sin)\] \[\cos^2 = 1-\sin^2\]Do you see what we could do from here?
OpenStudy (anonymous):
Yes thank you! I couldn't get the first step!
OpenStudy (anonymous):
You're welcome, glad I could help.
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