tan(cos^(-1)x)" -is equal to "

What is tan(cos^(-1)x)) equal to?

The value of 2tan^(-1)(cos ec tan^(-1)x-tan cot^(-1)x) is equal to (a)cot ^(-1)x( b ) (cot^(-1)1)/(x) (c)tan ^(-1)x (d) none of these

cos(tan^(-1)3/4)+cos(tan^(-1)x) is equal to

cos(tan^(-1)3/4)+cos(tan^(-1)x) is equal to

Range of y = cos(tan^(-1)x) is equal to

cos[tan^(-1){sin(cot^(-1)x)}] is equal to

If x gt 0 , then the value of sin[cot^(-1)cos(tan^(-1)x)] is equal to -

If x gt 0 , then the value of sin[cot^(-1)cos(tan^(-1)x)] is equal to -

tan((pi)/(4)+(1)/(2)cos^(-1)x)+tan((pi)/(4)-(1)/(2)cos^(-1)x),x!=0 is equal to

tan(pi/4+1/2cos^(-1)x)+tan(pi/4-1/2cos^(-1)x),x!=0, is equal to x (b) 2x (c) 2/x (d) none of these