The number of solutions of the equation `"cos"^(7) theta + "sin"^(4) theta = 1` in the interval `(-pi, pi)`, is

The number of solutions of the equation "tan" theta + "sec" theta = 2 "cos" theta lying the interval [0, 2pi] is

The solution of the equation 1-"cos" theta = "sin" theta "sin" (theta)/(2) is

The number of solutions of the equation 2 tan^2theta-7sec theta-2 = 0 in the interval [0, 6pi] is

Let p,qin N and q gt p , the number of solutions of the equation q|sin theta |=p|cos theta| in the interval [0,2pi] is

The number of solutions of the equation sin^(4) theta - 2 sin^(2) theta +1 = 0 which lie between 0 and 2 pi is :

The number of solution of the equation sin theta cos theta cos 2 theta .cos 4theta =1/2 in the interval [0,pi]

Find the number of roots of the equation 16 sec^(3) theta - 12 tan^(2) theta - 4 sec theta =9 in interval (-pi,pi)

Number of solutions of the equation "sin" 2 theta + 2 = 4"sin" theta + "cos" theta lying in the interval [pi, 5pi] is

The number of solution(s) of the equation cos2theta=(sqrt(2)+1)(costheta-1/(sqrt(2))) , in the interval (-pi/4,(3pi)/4), is 4 (b) 1 (c) 2 (d) 3

The number of solutions of the equation sin 2 theta-2 cos theta +4 sin theta=4 in [0, 5pi] is equal to