SOLUTION: Prove the following identity: cosx+sinxtanx=secx

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Question 214658: Prove the following identity: cosx+sinxtanx=secx
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
cosx+sinxtanx=secx
cos + sin*(sin/cos) = 1/cos
Multiply by cos
cos^2 + sin^2 = 1
Is that sufficient?