(i) cot x (ii) sec x

Find the derivative of the following functions:(i) sin x cos x (ii) sec x (iii) 5 sec x + 4 cos x (iv) cos e c x (v) 3 cot x + 5 cos e c x

Find the derivative of the following functions: (i) sin x cos x (ii) sec x (iii) 5sec x+4 cos x (iv) cosec x (v) 3 cot x+5 cosec x (vi) 5sinx-6cosx+7 (vii) 2tanx-7secx

What is (1+ cot x - cosec x ) (1+tan x + sec x) equal to ?

int (sec x cosec x)/(2 cot x- sec x cosec x)dx=

int (dx) / (tan x + cot x + sec x + cos ecx)

(i) sec3x=-2 (ii) cot4x=-1 (iii) "cosec "3x=(-2)/(sqrt(3))

Evaluate int (dx)/( tan x + cot x + sec x + cosec x )

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

(i) int(sec x* cosec x)/(log cot x) dx (ii) int tan^(4) x\ dx