`(cos^(-1)((41)/(49)))/(sin^(-1)((2)/(7)))=?`

The value of sin[cos^(-1)(-(1)/(7))+sin^(-1)(-(1)/(7))] is

cos^(-1)(sin((pi)/(7)))

Evaluate each of the following: sin((sin^(-1)7)/(25)) (ii) sin((cos^(-1)5)/(13))( iii) sin((tan^(-1)(24))/(7))

Evaluate each of the following: sin^(-1)(sin(pi)/(3)) (ii) cos^(-1)(cos(2 pi)/(3))tan^(-1)(tan(pi)/(4))(iv)sin^(-1)(sin(2 pi)/(3))cos^(-1)(cos(7 pi)/(7))(vi)tan^(-1)(tan(3 pi)/(4))sin^(-1)(cos(-600^(@))cos^(-1)(cos(-680^(@)))

The value of sin^(6)((pi)/(49))+cos^(6)((pi)/(49))-1+3sin^(2)((pi)/(49))cos^(2)((pi)/(49)) is equal to

(cos^(-1)(sin((7 pi)/6))

cos{cos^(-1)(-1/7)+sin^(-1)(-1/7)} =

The value of cos15^(@)cos(7(1)/(2))^(@)sin(7(1)/(2))^(@) is

Prove the following identities: (sin+cos A)/(sin A-cos A)+(sin-cos A)/(sin A+cos A)=(2)/(sin^(2)A-cos^(2)A)=(2)/(2sin^(2)A-1)=(2)/(1-2cos^(2)A)