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cot(240) Find the exact value of the trigonometric function. (If an answer is undefined, enter UNDEFINED.) csc(450) Find the exact value of each expression, if

cot(−240°)

Find the exact value of the trigonometric function. (If an answer is undefined, enter UNDEFINED.)

csc(−450°)

Find the exact value of each expression, if it is defined. Express your answer in radians. (If an answer is undefined, enter UNDEFINED.)

(a) sin⁻¹(−1)

(b) cos⁻¹(0)

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