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What is the value of \(\tan\left(\cos^{-1}\frac{4}{5}\right)\)?\(\tan\left(\cos^{-1}\frac{4}{5}\right)\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(\frac{3}{4}\)\(\frac{3}{4}\)
Let \(\theta=\cos^{-1}\frac{4}{5}\), then \(\cos\theta=\frac{4}{5}\) and \(\sin\theta=\frac{3}{5}\). Hence \(\tan\theta=\frac{3}{4}\).मान लें \(\theta=\cos^{-1}\frac{4}{5}\), तब \(\cos\theta=\frac{4}{5}\) और \(\sin\theta=\frac{3}{5}\)। इसलिए \(\tan\theta=\frac{3}{4}\) होगा।
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