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MHT CET · Maths · Inverse Trigonometric Functions

If \(4 \sin ^{-1} x+\cos ^{-1} x=\pi\) then \(x=\)

  1. A \(\frac{\sqrt{3}}{2}\)
  2. B \(0\)
  3. C \(\frac{1}{2}\)
  4. D \(\frac{1}{\sqrt{2}}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(\frac{1}{2}\)

Step-by-step Solution

Detailed explanation

\(4 \sin ^{-1} x+\cos ^{-1} x=\pi\) \(3 \sin ^{-1} x + (\sin ^{-1} x+\cos ^{-1} x)=\pi\)