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sqrt((273)" affure "4(sin^(-1)(1)/(sqrt(...

sqrt((273)" affure "4(sin^(-1)(1)/(sqrt(10))+cos^(-1)(2)/(sqrt(5)))=pi

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Prove that : 4(sin^(-1)(1/sqrt(10)) + cos^(-1)( 2/sqrt(5)))=pi

Prove that : 4(sin^(-1)(1/sqrt(10)) + cos^(-1)( 2/sqrt(5)))=pi

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Show that sin^(-1)(1/sqrt(10))+cos^(-1)(2/sqrt5)=pi/4 .

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