SOLUTION: Verify that the equation is an identity
(1+tanx)/(sinx+cosx)=secx
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Question 1022069: Verify that the equation is an identity
(1+tanx)/(sinx+cosx)=secx
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
1+tan(x)=1+(sin x/cos x)
This is (sin x +cos x)/cos x
Divide that by (sin x + cos x), and the quotient is 1/cos x. That is sec x.
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