AIEEE 2002 Math Solved Paper

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