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Prove that 2 sin^(-1) ((3)/(5))- cos^(-1...

Prove that `2 sin^(-1) ((3)/(5))- cos^(-1) ((5)/(13))= cos^(-1) ((323)/(325))`

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cos(sin^(-1)(5/13))=

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

Sin^(-1)(3/5)-Cos^(-1)(12/13)=

cos[sin^(-1)(-4//5)-cos^(-1)(4//5)]=

Sin^(-1)(3/5)+Cos^(-1)(5/sqrt34)=

cos^(-1)(8/17)-cos^(-1)(5/13)=