tan(cos^(-1)((-12)/(13))

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

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

Evaluate: cos ec{cos^(-1)(-(12)/(13))}

Prove that: sin^(-1)((12)/(13))+cos^(-1)(4/5)+tan^(-1)((63)/(16))=pi

Show that (sin^(-1)(12))/(13)+(cos^(-1)4)/(5)+(tan^(-1)(63))/(16)=pi

Evaluate each of the following: tan(csc^(-1)(13)/(5))( ii) tan((sec^(-1)(13))/(12)) (iii) tan((cot^(-1)8)/(15))

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

Evaluate each of the following: tan((tan^(-1)3)/(4))( ii) tan((sin^(-1)5)/(13))( iii) tan((cos^(-1)8)/(17))

sin^(-1)""(3)/(5)-cos^(-1)""(12)/(13)+sec^(-1)""(5)/(3)-cosec^(-1)(13)/(12) is equal to