Q.1 Prove that √sec²θ + cosec²θ = tanθ+cotθ

Q.2 Prove that

Q.3 Prove that

Q.4 Prove that : (sinθ+cosecθ)²+(cosθ+secθ)²=(7+tan²θ+cot²θ)

Q.5 Prove that :

Q.7 Prove that :

Q.8 If 1+sin²θ=3sinθcosθ then prove that tanθ=1 or \frac{1}{2}

Q.9 Prove that:

Q.10 Prove that :