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If x,y are acute angles, $0 < x+ y < 90^{0}$and $sin(2x-20^{0})$ = $cos(2y +20^{0})$, then the value of tan (x + y) is:1). $\frac{1}{\sqrt{3}}$2). $\frac{\sqrt{3}}{2}$3). $\sqrt{3}$4). 1 |
Answer» 1 : - is CORRECT HENCE OPTION 4 | |