show that tan(1/2 sin^(-1)??3/4?)= (4-?7)/3

Asked by Yatin gupta | 21st Mar, 2013, 11:23: PM

Expert Answer:

Using formula tan(x/2) = (1- cosx)/sinx
Hence, tan (1/2 sin-1(3/4)) = [1- cos(sin-1(3/4))]/ sin(sin-1(3/4))
 

Answered by  | 22nd Mar, 2013, 11:00: PM

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