Find number of solutions of equation
`sin^(2) theta- 4/(sin^(3) theta-1)=1- 4/(sin^(3) theta-1), theta in [0, 6pi]`.

Number of solutions of equationn sin^(2)theta- 4/(sin^(3)theta-1)=1-4/(sin^(3)theta-1), theta in [0,6pi]

sin^(2)theta+(1)/(2)sin^(4)theta+(1)/(3)sin^(6)theta+....=

Find the number of solution of the equation 2(cos theta+cos2 theta)+sin2 theta(1+2cos theta)=2sin thetain theta in[0,3 pi]

If thetain(0,2pi) then number of solution of equation (sin^(2)2theta+4sin^(4)theta-4sin^(2)thetacos^(2)theta)/(4-sin^(2)2theta-4sin^(2)theta)=(1)/(9)," is//are"

The number of roots of the equation 2 sin^(2)theta + 3 sin theta + 1 = 0 in (0, 2pi) is

Find the number of solutions of sin theta+2sin2 theta+3sin3 theta+4sin4 theta=10in(0,pi)

2(sin^(6) theta + cos^(6)theta) - 3(sin^(4)theta + cos^(4)theta)+ 1 = 0