SOLUTION: Pls, help me with this Simplify 1 + tan^2 x

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Question 1027954: Pls, help me with this
Simplify 1 + tan^2 x

Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
Start with the basic Pythagorean Theorem identify.

cos%5E2%28x%29%2Bsin%5E2%28x%29=1

%28cos%5E2%28x%29%2Bsin%5E2%28x%29%29%2Fcos%5E2%28x%29=1%2Fcos%5E2%28x%29

1%2Btan%5E2%28x%29=sec%5E2%28x%29