Solve the following trigonometric equation: `tan3theta=-1`

Solve the following trigonometric equation: tantheta=1/(sqrt(3))

Solve the following trigonometric equation: \ t a n2theta=sqrt(3)

Solve the following trigonometric equation : sin^3 3theta =0

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

Solve the following trigonometric equation : tan nx = 0

Solve the following trigonometric equation : cos 5theta = 0

Solve the following trigonometric equation : cot^2 px=0

Solve tan3theta=-1

Prove the following trigonometric identities : cot^2theta-1/(sin^2theta)=-1 (ii) (1+tan^2theta)(1+sintheta)(1-sintheta)=1

Prove the following trigonometric identities : (1+cot^2theta)(1-costheta)(1+costheta)=1 (ii) tan^2theta-1/(cos^2theta)=-1