Question: Simplify the given expressions. Using the definitions of the trigonometric functions given in Section 4.2, find an expression that is equivalent to sec (cot)

Simplify the given expressions.

Using the definitions of the trigonometric functions given in Section 4.2, find an expression that is equivalent to secθ − (cotθ)² + cscθ, in terms of x, y, and r.

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