" 2."(tan x+cot x)^(2)

The number of values of x in (0,2 pi) where the function f(x)=(tan x+cot x)/(2)-|(tan x-cot x)/(2)| continuous but non-derivable:

Evaluate: int(2tan x-3cot x)^(2)dx

int(tan x-2cot x)^(2)dx

Prove that (1)/(sin^(6)x+cos^(6)x)=(sec^(2)x+cos ec^(2)x)/((tan x-cot x)^(2)+1)

Prove that (1)/(sin^(6)x+cos^(6)x)=(sec^(2)x+cos ec^(2)x)/((tan x-cot x)^(2)+1)

The value of (cot((x)/(2))-tan(x)/(2))^(2)(1-2tan x cot2x) is 1 (b) 2(c)3(d)4

Prove the following identity : (1 - tan x)^2+(1 -cot x)^2 = (sec x -cosec x)^2 .

Solve the system of equations tan^2 x + cot^(2) x = 2cos^(2)y cos^(2)y+sin^(2)z=1

Solve the system of equations tan^2 x + cot^(2) x = 2cos^(2)y cos^(2)y+sin^(2)z=1

Solve the system of equations tan^2 x + cot^(2) x = 2cos^(2)y cos^(2)y+sin^(2)z=1