The period of sin2θ is =π Note: (1) When n is odd then the period of sinnθ,cosnθ,cscnθ,secnθ=2π (2) When n is even then the period of sinnθ,cosnθ,cscnθ,secnθ=π (3) When n is even/odd then the period of tannθ,cotnθ=π (4) When n is even/odd then the period of