(\sin\left\(\cos^{-1}\frac{3}{5}\right\)) का मान क्या है?
What is the value of (\sin\left\(\cos^{-1}\frac{3}{5}\right\))?
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Correct Answer
A. \(\frac{4}{5}\)
Concept
Let \(\theta=\cos^{-1}\frac{3}{5}\), then \(\cos\theta=\frac{3}{5}\) and \(\theta\in[0,\pi]\). Here \(\sin\theta=\frac{4}{5}\).
Why this answer is correct
The correct answer is A. \(\frac{4}{5}\). Let \(\theta=\cos^{-1}\frac{3}{5}\), then \(\cos\theta=\frac{3}{5}\) and \(\theta\in[0,\pi]\). Here \(\sin\theta=\frac{4}{5}\).
Exam Tip
मान लें \(\theta=\cos^{-1}\frac{3}{5}\), तब \(\cos\theta=\frac{3}{5}\) और \(\theta\in[0,\pi]\)। यहां \(\sin\theta=\frac{4}{5}\) होगा।
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