to find value

Asked by Harshal Saptarshi | 4th Sep, 2010, 11:56: PM

Expert Answer:

given f(x) =2x1-x2Hence f(sinx/2) =2sin(x/2)1-sin2(x/2)                                = 2sin(x/2)cos(x/2)                                  = sinx                  by sin2θ=2sinθcosθ">

Answered by  | 5th Sep, 2010, 11:26: AM

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