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सिद्ध कीजिए - "coc"^(-1)(4)/(5)+"cos"^...

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

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

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

"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)

Prove that cos^(-1)4/5cos^(-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)

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)