Solve the trigonometric equation : `sin 2theta = 1/2`

Solve the trigonometric equation: cos5 theta=-(1)/(2)

Solve the trigonometric equation: cos theta-sin theta=-1

Solve the trigonometric equation: sin3x+cos2x=0

Solve the trigonometric equation: cos x+sin x=1

Solve the trigonometric equation: cos4x=cos2x

Solve the trigonometric equation: sin x+cos x=(1)/(sqrt(2))

Find the general solution of the trigonometric equation :sin theta=(sqrt(3))/(2)

Find the general solution of the trigonometric equation : sec2 theta=-2

Solve the trigonometric equation: 3cos^(2)theta+7sin^(2)theta=4

Solve the following trigonometric equations: sin(theta)/(2)=-1 (ii) cos(3 theta)/(2)=(1)/(2) (iii) tan((2)/(3)theta)=sqrt(3)