Mathematics, 13.12.2021 01:00 deg12

Write each expression in terms of sine and cosine, and then simplify so that no quotients appear in the final expression and all functions are of x only. $\frac{csc^2 (-x)-1}{1-cos^2 (-x)}$

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Write each expression in terms of sine and cosine, and then simplify so that no quotients appear in...