tan–¹(✓3) - sec–¹(-2) is equal to

For any real number x ge 1 , the expression sec^(2) ( tan^(-1)x) - tan^(2) ( sec^(-1) x) is equal to

tan^(-1)sqrt(3)-sec^(-1)(-2) is equal to(A) pi (B) -pi/3 (C) pi/3 (D) (2pi)/3

tan^(-1)sqrt(3)-sec^(-1)(-2) is equal to(a) pi (B) -pi/3 (C) pi/3 (D) (2pi)/3

The expression cosec^(2)A cot^(2)A-sec^(2)A tan^(2)A-(cot^(2)A-tan^(2)A)(sec^(2)A cosec^(2)A-1) is equal to

The value of (4tan ^2A−4sec ^2 A) is equal to :

The value of lim_(x to 0) (tan^2 3x)/(sqrt(5) - sqrt(4 + "sec" x)) is equal to

sec^4 A− sec^ 2 A is equal to

If tan3A=(3 tan A+k tan^(3)A)/(1-3 tan^(2)A) , then k is equal to

sec^(2) (tan^(-1) 2) + cosec^(2) (cot^(-1) 3) is equal to

If cosx=-3/(5)andpiltxlt(3pi)/(2), then ("cosec"x+"cot"x)/("sec"x-"tan"x) is equal to