COMEDK · Maths · 23. Inverse Trigonometric Functions
The value of \(\sin \left[2 \cos ^{-1} \frac{\sqrt{5}}{3}\right]\) is
- A \(\frac{2 \sqrt{5}}{3}\)
- B \(\frac{\sqrt{5}}{3}\)
- C \(\frac{2 \sqrt{5}}{9}\)
- D \(\frac{4 \sqrt{5}}{9}\)
Answer & Solution
Correct Answer
(D) \(\frac{4 \sqrt{5}}{9}\)
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