Question

pls give ch 8 Trigonometry formulas​

Answer 1

Answer:

1. Basic Formulas

2. Reciprocal Identities

3. Trigonometric Ratio Table

4. Periodic Identities

5. Co-function Identities

6. Sum and Difference of Identities

7. Half-Angle Identities

8. Double Angle Identities

9. Triple Angle Identities

10. Product Identities

11. Sum of Product Identities

12. Inverse Trigonometry Formulas

13. Sine Law and Cosine Law

Answer 2

Answer:

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Step-by-step explanation:

By using a right-angled triangle as a reference, the trigonometric functions and identities are derived: sin θ = Opposite Side/Hypotenuse. cos θ = Adjacent Side/Hypotenuse. tan θ = Opposite Side/Adjacent Side