Hi All,Please help me to understand the below problem,differentiate cos-1(1-x/1+x) w.r.t x ?
Hi All,
Please help me to understand the below problem,
differentiate cos-1(1-x/1+x) w.r.t x ?
dinesh , 8 Years ago
Grade 12th pass
Differential Calculus> Hi All, Please help me to understand the ...
1 AnswersVinod Prajapati
Substitute x=tan^2theta therefore theta=tan^-1(√x). So,d/dx[cos^-1(1-tan^theta/1+tan^2theta)]. =d/dX[Cos^-1(cos2theta)] =d/dX[2*tan^-1(√x)]. Ans=2[1/1+x]*1/2√xSo the answer is 1/√x(1+x)
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