PROBLEMS INVOLIVNG INVERSE TRIGONOMETRIC FUNCTIONS WORKSHEET

Find the value of

Problem 1 :

Solution

Problem 2 :

Solution

Problem 3 :

Solution

Problem 4 :

Prove that

Solution

Problem 5 :

Prove that

Solution

Problem 6 :

Prove that 

tan^-1x + tan^-1y + tan^-1z = tan^-1(x + y + z - xyz)/(1-xy-yz-zx)

Solution

Problem 7 :

Prove that 

Solution

Problem 8 :

Solution