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Find the Exact Value of the Expression Using the Provided sin⁡θ\sin \theta

Question 123

Multiple Choice

Find the exact value of the expression using the provided information.
-Find sin⁡θ\sin \theta if sec⁡θ=−85\sec \theta = - \frac { 8 } { 5 } and tan⁡θ<0\tan \theta < 0 .


A) −398- \frac { \sqrt { 39 } } { 8 }
B) 398\frac { \sqrt { 39 } } { 8 }
C) −58- \frac { 5 } { 8 }
D) 3964\frac { 39 } { 64 }

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