Ican't figure out how to solve this: sec^2x-1/sec^2i am very rusty on my fraction skills, can anyone recommend a video i can watch that explains how to solve fractions?

sin²θ

Explanation:

First, convert sec into , then use identity (cos²θ + sin²θ = 1) and simplify:

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= sin²θ

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step-by-step explanation: