MHT CET · Maths · Inverse Trigonometric Functions
If \(4 \sin ^{-1} x+\cos ^{-1} x=\pi\) then \(x=\)
- A \(\frac{\sqrt{3}}{2}\)
- B \(0\)
- C \(\frac{1}{2}\)
- D \(\frac{1}{\sqrt{2}}\)
Answer & Solution
Correct Answer
(C) \(\frac{1}{2}\)
Step-by-step Solution
Detailed explanation
\(4 \sin ^{-1} x+\cos ^{-1} x=\pi\) \(3 \sin ^{-1} x + (\sin ^{-1} x+\cos ^{-1} x)=\pi\)
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