JEE MAIN - Mathematics Hindi (2019 - 8th April Morning Slot - No. 18)
यदि cos($$\alpha $$ + $$\beta $$) = 3/5 ,sin ( $$\alpha $$ - $$\beta $$) = 5/13 और
0 < $$\alpha , \beta$$ < $$\pi \over 4$$, तो tan(2$$\alpha $$) का मान क्या होगा:
21/16
63/52
33/52
63/16
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