Evaluate the expression ! (- 7 4 ) ! ( 17 4 ).

MATHEMATICS · Subjective · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

Evaluate the expression sin⁡ ⁣(−7π4)×csc⁡ ⁣(17π4).\sin\!\left(-\dfrac{7\pi}{4}\right)\times\csc\!\left(\dfrac{17\pi}{4}\right).

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