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cos^(-1)""(4)/(5)+cos^(-1)""(12)/(13)=co...

`cos^(-1)""(4)/(5)+cos^(-1)""(12)/(13)=cos^(-1)""(33)/(65)`

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Prvoe that sin^(-1)""(3)/(5) + cos^(-1) ""(12)/(13) = cos^(-1) ""(33)/(65) .

Prove that sin^(-1)""(4)/(5)+sin^(-1)""(5)/(13)=cos^(-1)""(16)/(65)

Prove that cos^(-1)4/5cos^(-1)(12)/(13)=cos^(-1)(33)/(65)

cos^(-1)""(3)/(5) +cos ^(-1) "" (12)/(13) +cos ^(-1) "" (63)/(65)=(pi)/(2)

Prove that cos^(-1)((3)/(5))+cos^(-1)((12)/(13))+cos^(-1)((63)/(65))=(pi)/(2)

Prove that : cos^(-1).(3)/(5)+ cos^(-1).(12)/(13) = sin^(-1)((63)/(65))

Prove that : cos^(-1).(3)/(5)+ cos^(-1).(12)/(13) = sin^(-1)((12)/(5))

Prove that cos^(-1)""(12)/(13)+cos^(-1)""(4)/(3)=tan^(-1)""(56)/(33)