AP EAMCET · Maths · Differentiation
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
ddxtan−1cosx1+sinx=11+cosx1+sinx2×ddxcosx1+sinx =11+cos2x1+sin2x+2sin x×1+sin x·-sinx-cosx·cos x1+sin x2 =1+sin x22+2sin x×-sinx-11+sin x2=-12
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