Mathematics, 24.07.2020 22:01 aweid3085

Which of the following expressions is not equivalent to cot2θ? 1. (cos theta/sin theta) 2. sec^2-1 3. csc^2-1 4. 1/tan^2 theta

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Which of the following expressions is not equivalent to cot2θ? 1. (cos theta/sin theta) 2. sec^2-1 3...

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