SOLUTION: Find the exact value of the trigonometric function given that sin(u) = 12/13 and cos(v) = -4/5. (Both u and v are in Quadrant II.) cos(v − u)

SOLUTION: Find the exact value of the trigonometric function given that sin(u) = 12/13 and cos(v) = -4/5. (Both u and v are in Quadrant II.) cos(v − u)

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Question 297915: Find the exact value of the trigonometric function given that sin(u) = 12/13 and cos(v) = -4/5. (Both u and v are in Quadrant II.)
cos(v − u)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

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Quadrant II

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Quadrant II

Now substitute directly,

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