Trigonometry
Find the exact value of tan(x+y)\tan\left(x+y\right)tan(x+y). Use a trigonometric identity.
sinx=20101\sin x=\frac{20}{101}sinx=10120, siny=−2129\sin y=-\frac{21}{29}siny=−2921, xxx in quadrant I and yyy in quadrant III
24791560\frac{2479}{1560}15602479
−16792400-\frac{1679}{2400}−24001679
16792400\frac{1679}{2400}24001679
12482929\frac{1248}{2929}29291248