given-sin-x-sin-y-2sin-x-y-x-y-0-find-the-value-of-tan-x-2-tan-y-2-

Question Number 86168 by jagoll last updated on 27/Mar/20

given

\sin x + \sin y = 2 \sin (x + y)

x + y \neq 0

find the value of

\tan \frac{x}{2} \tan \frac{y}{2} =

Answered by john santu last updated on 27/Mar/20

Commented by jagoll last updated on 27/Mar/20

waw \dots great sir

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