Question

allied angles formulae example​

Answer 1

Answer:

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Answer 2

1. Sin(–θ)=–Sinθ

2. Cos(–θ)=Cosθ

3. Tan(–θ)=–Tanθ

4. Sin(90∘–θ)=Cosθ

5. Cos(90∘–θ)=Sinθ

6. Tan(90∘–θ)=Cotθ

7. Sin(180∘–θ)=Sinθ

8. Cos(180∘–θ)=–Cosθ

9. Tan(180∘–θ)=–Tanθ