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TS EAMCET · Maths · Functions

All the values of \(x\) satisfying the equation \(2 \tan ^1 2 x=\sin 1\left(\frac{4 x}{1+4 x^2}\right)\) lie in the interval

  1. A \(\left[-\frac{1}{2}, \frac{1}{2}\right]\)
  2. B \([-1,1]\)
  3. C \(\left[\frac{1}{2} \infty\right)\)
  4. D \(\left[-\infty,-\frac{1}{2}\right)\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(\left[-\frac{1}{2}, \frac{1}{2}\right]\)

Step-by-step Solution

Detailed explanation

We have, \(\sin ^{-1}\left(\frac{4 x}{1+4 x^2}\right) \Rightarrow \sin ^{-1}\left(\frac{2(2 x)}{1+(2 x)^2}\right)\)…