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What is the value of \(\cos(\cos^{-1}(-\frac{3}{4}))\)?\(\cos(\cos^{-1}(-\frac{3}{4}))\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(-\frac{3}{4}\)\(-\frac{3}{4}\)
If \(x\in\left[-1,1\right]\), then \(\cos(\cos^{-1}x)=x\). Here \(x=-\frac{3}{4}\) lies in the domain.यदि \(x\in\left[-1,1\right]\), तो \(\cos(\cos^{-1}x)=x\)। यहां \(x=-\frac{3}{4}\) प्रांत में है।
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