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

Asked by Yatin gupta 21st March 2013, 11:23 PM
Answered by 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 Expert 22nd March 2013, 11:00 PM
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