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anonymous
 5 years ago
sin^2x/1cosx=1+cosx
Trig identity proofs
anonymous
 5 years ago
sin^2x/1cosx=1+cosx Trig identity proofs

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0L =sin^2x / 1cosx P=1+cosx L= 1cos^2x/1cosx = (1cosx)(1+cosx)/1cosx = 1+cosx =p L=P

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.01cos^2x is the the difference of squares (1cosx)(1+cosx)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.01cosx will cancel leaving 1+cosx=1+cosx
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