Please differentiate the following:
Asked by RACHIT_MAHAAN | 15th Mar, 2012, 11:09: PM
Expert Answer:
Let 2x = tanA
So , the equation becomes
cos-1( 2.tanA / (1+tan2A) ) = cos-1(sin2A) = pie/2 - sin-1(sin2A) = pie/2 - 2A = pie - 2tan-12x
the derivative of the above function is
{-2/(1+4x)} .2x log2
Answered by | 16th Mar, 2012, 09:19: AM
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