SOLUTION: Prove the identity: sin(A)·tan(A) + cos(A) = sec(A)

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Question 612445: Prove the identity:
sin(A)·tan(A) + cos(A) = sec(A)
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
Prove the identity:
sin(A)·tan(A) + cos(A) = sec(A)
Use tan(A) = 

sin(A)· + cos(A)

 + cos(A)

Get an LCD of cos(A)

 + 





sec(A)

Edwin
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