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sin-1(x)+cos-1(1/2)=pi/2 find x

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sin^-1(x)+cos^-1(1_/2)=pi/2 find x

Posted by Sakthivel R 6 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Rasmi Rv 6 years, 9 months ago

We have {tex}\sin ^{ -1 }{ x } +\cos ^{ -1 }{ x } =\frac { \Pi }{ 2 } ,\quad x\epsilon \left[ -1,1 \right] {/tex}

Using this result if {tex}\sin ^{ -1 }{ x } +\cos ^{ -1 }{ 1/2 } =\frac { \Pi }{ 2 } {/tex} we can say x= {tex}\frac { 1 }{ 2 } {/tex}

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