Find the Exact Value Of $\cos ( u + v )$

Find the exact value of $\cos ( u + v )$ given that $\sin u = \frac { 8 } { 17 }$ and $\cos v = - \frac { 60 } { 61 }$ .(Both u and v are in Quadrant II. )

A) $\cos ( u + v ) = \frac { 812 } { 1037 }$
B) $\cos ( u + v ) = - \frac { 300 } { 1037 }$
C) $\cos ( u + v ) = - \frac { 804 } { 1037 }$
D) $\cos ( u + v ) = \frac { 315 } { 1037 }$
E) $\cos ( u + v ) = \frac { 645 } { 1037 }$

Correct Answer:

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