Mathematical Problems in Trigonometry

Identities and Formulae in Trigonometry

Tangent and Cotangent Identities		Pythagorean Identities

Reciprocal Identities
		Even and Odd Formulae

1. If , then prove that

2. In a Prove that

3. If then prove that

4. If then prove that

5. Prove that

7. If then prove that

8. If then prove that

9. If then prove that

10. If then prove that

11. If , then prove that

12. If then prove that

13. If then prove that