" (i) "cos[tan^(-1)((3)/(4))]

Evaluate: (i) tan {cos^(-1)(-(7)/(25))}_( (ii) )csc{cot^(-1)(-(12)/(5))}cos{tan^(-1)(-(3)/(4))}

cos[tan^(-1){tan((15pi)/4)}]

cos[tan^(-1){tan((15pi)/4)}]

Find the principal value of each of the following: (i) cos^(-1)(sin((4pi)/3)) (ii) cos^(-1)(tan((3pi)/4))

Evaluate "cos"("tan"^(-1)3/(4))

Find the principal value of each of the following :cos^(-1)((sin(4 pi))/(3))( ii) cos^(-1)((tan(3 pi))/(4))

Evaluate the following cos(tan^(-1)""(3)/4)

2tan^(-1)(-2) is equal to (a) -cos t^(-1)((-3)/5) (b) -pi+cos^(-1)3/5 (c) -pi/2+tan^(-1)(-3/4) (d) -picot^(-1)(-3/4)

2tan^(-1)(-2) is equal to (a) -cos t^(-1)((-3)/5) (b) -pi+cos^(-1)3/5 (c) -pi/2+tan^(-1)(-3/4) (d) -picot^(-1)(-3/4)

Evaluate the following: sin^(-1)(sin(pi)/(4)) (ii) cos^(-1)(cos2(pi)/(3))tan^(-1)(tan(pi)/(3))