TS EAMCET · Maths · Limits
If , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
f(x)=tan-11+x-1-x1+x+1-x Let, x=cos2θ ⇒1+x=1+cos2θ ⇒1+x=2cos2θ ⇒1+x=2cosθ Also, 1-x=1-cos2θ ⇒1-x=2sin2θ ⇒1-x =2sinθ ⇒f(x)=tan-12cosθ-2sinθ2cosθ+2sinθ…
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