[int(x+sin x)/(1+cos x)dx=?],[[" (a) "x tan(x)/(2)+C," (b) "cot(x)/(2)+C],[" (c) "log(1+cos x)+C," (d) "log(x+sin x)+C]]

int(1)/(1-cos x-sin x)dx=log|1+(cot x)/(2)|+C(b)log|1-(tan x)/(2)|+C (c) log|1-(cot x)/(2)|+C(d)log|1+(tan x)/(2)|+C

int(2x + sin 2x)/(1 + cos 2x)dx is equal to a) x + log |tan x| + C b) x log|tan x| + C c) x tan x + C d) x + tan x + C

int(1)/(sin x+sqrt(3)cos x)dx=(1)/(2)log tan((x)/(2)+(pi)/(3))+c

int sqrt((1+sin x))(cos((x)/(2))-sin((x)/(2)))dx=("where "x in(0,pi))[[" (A) "(1+sin x)/(2)+c," (B) "(1+sin x)^(2)+c],[" (C) "(1)/(sqrt(1+sin x)+c),"(D) "sin x+c]]

int frac{x-sin x}{1-cos x} dx=........... A) x cot(x/2) + c B) -x cot(x/2) + c C) cot(x/2) + c D) x tan(x/2) + c

int( cos 2 x)/(sin x+cos x)^2 d x is equal to a) -1/(sin x+cos x)+C b) log |sin x+cos x|+C c) log |sin x-cos x|+C d) 1(sin x+cos x)^2

The value of the integral int( cos x)/( sin x + cos x) dx is equal to a) x + log | sin x + cos x| + C b) (1)/(2) [ x + log | sin x + cos x|] +C c) log | sin x+ cos x | +C d) (x)/(2) + log | sin x + cos x | + C

If int (1)/(3 sin x + 4 cos x ) " dx = a log"|(b +2 tan""(x)/(2))/(c - tan""(x)/(2)) | + K then (a, b , c) =