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प्रश्न
Write the maximum value of sin (cos x).
उत्तर
We know:
\[ - 1 \leq \cos x \leq 1\]
\[\text{ Also, }\sin\left( - \theta \right) = - \sin\theta\]
\[\text{ When the angle increases from 0 to }\frac{\pi}{2}, \text{ the value of }\sin\theta\text{ also increases . }\]
\[ \therefore\text{ Maximum value of }\sin\left[ \cos x \right] = \sin\left( 1 \right)\]
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