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OpenStudy (anonymous):
please help to verify: 1-sinx/cosx = cosx/1+sinx I'm pretty sure the left side = 1? but I'm stuck on the right side
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OpenStudy (cruffo):
Ignore the RHS for the moment, try multiplying the LHS by (1+sin(x))
OpenStudy (anonymous):
on the left side I have cosx-cosxsinx/1-sin^2x|dw:1428466432295:dw|
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