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[" 9."],[" li) "4(sin^(-1)(1)/(sqrt(10))...

[" 9."],[" li) "4(sin^(-1)(1)/(sqrt(10))+cos^(-1)sqrt(5))=x]

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sin^(-1)(1/sqrt5)+cos^(-1)(3/sqrt(10))

sin^(-1)sqrt(x)+cos^(-1)sqrt(1-x)=

sin^(-1)sqrt(x)+cos^(-1)sqrt(1-x)=

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

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

cos^(-1)sqrt(1-x)+sin^(-1)sqrt(1-x)=

In a /_ABC if /_A=sin^(-1)((1)/(sqrt(5)))/_B=cos^(-1)((3)/(sqrt(10))) then

If alpha=sin(sin^(-1)( 1/sqrt3)/(3)),beta=cos(cos^(-1)((1)/(sqrt(5)))-sin^(-1)((2)/(sqrt(5)))) then (beta^(2))/((3 alpha-4a^(3))^(2)) is

sin^(-1)((1)/(sqrt(5)))+sin^(-1)((1)/(sqrt(10)))=(pi)/(4)