[" DAT "8" ."tan(sin^(-1)(3)/(5)+cot^(-1)(5)/(2))],[" (19."cos^(-1)(cos(7 pi)/(6))" is equ "]

(1+cos.(pi)/(8))(1+cos.(3pi)/(8))(1+cos.(5pi)/(8))(1+cos.(7pi)/(8)) is equal to

(1+cos.(pi)/(8))(1+cos.(3pi)/(8))(1+cos.(5pi)/(8))(1+cos.(7pi)/(8)) is equal to

Find the value of : (1) sin^(-1)(sin.(5pi)/(6)) (2) cos^(-1)(cos.(13pi)/(6)) (3) tan^(-1)(tan.(7pi)/(6))

sin[tan^(-1)("tan"(7pi)/6)]+cos[cos^(-1)("cos"(7pi)/3)] = ____

Evaluate each of the following: sin^(-1)((sin(2 pi))/(3))( ii) cos^(-1)((cos(7 pi))/(6))( iii) tan^(-1)((tan(3 pi))/(4))

Find the value of sin[tan^(-1)("tan"(7pi)/6)]+cos[cos^(-1)("cos"(7pi)/3)] .

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^(@)))

If alpha in (-(3pi)/2,-pi) , then the value of tan^(-1)(cot alpha)-cot^(-1)(tan alpha)+sin^(-1)(sin alpha)+cos^(-1)(cos alpha) is equal to

Find the value of: i) sin ^(-1)(sin (3pi)/5) , ii) cos^(-1)(cos(13pi)/6) , iii) tan^(-1)(tan (7pi)/6) .