JEE MAIN - Mathematics Hindi (2020 - 8th January Evening Slot - No. 6)
यदि $${{\sqrt 2 \sin \alpha } \over {\sqrt {1 + \cos 2\alpha } }} = {1 \over 7}$$ और $$\sqrt {{{1 - \cos 2\beta } \over 2}} = {1 \over {\sqrt {10} }}$$
$$\alpha ,\beta \in \left( {0,{\pi \over 2}} \right)$$ तो tan($$\alpha $$ + 2$$\beta $$) का मान _____. है।
$$\alpha ,\beta \in \left( {0,{\pi \over 2}} \right)$$ तो tan($$\alpha $$ + 2$$\beta $$) का मान _____. है।
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