CBSE Class 12-science Answered
if f(x)=square root of sec x -1 / sec x +1 ,find f '(x).also find f'(pi/2)
Asked by Rashmi gondi | 14 Jan, 2014, 08:07: PM
Expert Answer
Answered by Vimala Ramamurthy | 16 Jan, 2014, 09:53: AM
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