# Answer to Question #9702 in Trigonometry for Ayna

Question #9702

given that sin Ɵ = 2/55 and cos Φ = -2/5 with Ɵ and Φ in Q-II.

1. Determine cos Ɵ?

2. Find sin Φ?

3. What is sin (Ɵ+Φ)?

4. Find cos (Ɵ+Φ)?

5. Determine tan (Ɵ-Φ)?

6. Equivalent to sin (Ɵ-Φ)?

1. Determine cos Ɵ?

2. Find sin Φ?

3. What is sin (Ɵ+Φ)?

4. Find cos (Ɵ+Φ)?

5. Determine tan (Ɵ-Φ)?

6. Equivalent to sin (Ɵ-Φ)?

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