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सिद्ध कीजिए कि "cos"^(-1)3/5+"cos"^(-1...

सिद्ध कीजिए कि
`"cos"^(-1)3/5+"cos"^(-1)12/13="sin"^(-1)63/65`

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

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

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

cos^(-1)(12/13)+sin^(-1)(3/5)="sin"^(-1)56/65

Prove that: "cos"^(-1)63/65+2"tan"^(-1)1/5="sin"^(-1)3/5

Prove statement "sin"^(-1) 3/5+ "cos"^(-1)12/13="cos"^(-1) 33/65

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

Prove that sin^(-1). 3/5 +cos^(-1) . 12/13 = sin^(-1). 56/65