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यदि `sin^(-1)x=(pi)/(4)" तो "cos^(-1)x` का मान ज्ञात कीजिए। |
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Answer» `sin^(-1)x=(pi)/(4)` `impliesx=sin"(pi)/(4)=(1)/(sqrt2)` `:.cos^(-1)x=cos^(-1)""(1)/(sqrt2)` `=cos^(-1)(cos""(pi)/(4))=(pi)/(4)` |
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