`cos(tan^(-1)(3/4)) =`

Show that : cos(2\ tan^(-1)(1/7 ))=sin(4\ tan^(-1) (1/3) )

Prove that cos^(-1)((4)/(5))=tan^(-1)((3)/(4))

Value of cos("tan"^(-1)4/3) is _____

Write the value of cos^(-1)(tan((3pi)/4)) .

The value of tan (cos ^(-1) (3)/(5)+tan ^(-1) (1)/(4)) is

The value of tan(cos^(-1)""(3)/(5)+tan^(-1)""(1)/(4)) is …………

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^(-1)((-3)/5) (b) -pi+cos^(-1)3/5 (c) -pi/2+tan^(-1)(-3/4) (d) -pi+cot^(-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)