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" rove the following: "cos^(-1)((4)/(5))...

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

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

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

Prove the following: cos^(-1)((12)/(13))+sin^(-1)((3)/(5))=sin^(-1)((56)/(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)

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)