`int1/(cosx+sqrt(3)sinx)` dx equals

int1/(cosx+sqrt(3)sinx)\ dx is equal to (a) logtan(pi/3+x/2)+C (b) logtan(x/2-pi/3)+C (c) 1/2logtan(x/2+pi/3)+C (d) none of these

int1/(cosx+sqrt(3)sinx)\ dx is equal to logtan(pi/3+x/2)+C (b) logtan(x/2-pi/3)+C (c) 1/2logtan(x/2+pi/3)+C (d) none of these

int(cosx)/(sqrt(1+sinx))dx is equal to

int(cosx)/(sqrt(1+sinx))dx is equal to

int(dx)/(cosx+sqrt3 sinx)dx is equal to

int (cosx)/(sqrt(2+sinx))dx

int (cosx)/(sqrt(2+3 sinx))dx=

int(1)/(cosx.sqrt(sinx.cosx))dx=

Evalute: int(dx)/(cosx+sqrt(3)sinx) .