Given Sin(U) = Negative Startfraction 7 Over 25 Endfraction And Cos(V) = Negative Four-Fifths, What Is The Exact Value Of Cos(U-V) If Both Angles Are In Quadrant Iii? Negative Startfraction 117 Over 125 Endfraction Negative Startfraction 24 Over 25 Endfraction Three-Fifths Startfraction 117 Over 125 Endfraction. Find the exact value of the trigonometric expression given that sin u = −7 25 sin u = − 7 25 and cos v = −4 5. (both u and v are in quadrant iii).

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