Answer to Question #9702 in Trigonometry for Ayna
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)?
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