SOLUTION: Prove the identity: (1+sinu)/cosu + cosu/(1+sinu) = 2secu Email: juliemartell5401@hotmail.com

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Question 1057296: Prove the identity:
(1+sinu)/cosu + cosu/(1+sinu) = 2secu
Email: juliemartell5401@hotmail.com

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Prove the identity:
(1+sinu)/cosu + cosu/(1+sinu) = 2*secu
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Multiply thru by cos(u) to get:
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1 + sin(u) + cos^2(u)/(1+sin(u)) = 2
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Note:: cos^(u) = (1-sin^2(u))
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1 + sin(u) + 1- sin(u) = 2
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2 == 2
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Cheers,
Stan H.
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