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Angelina_Jolie [31]
2 years ago
11

10. Solve the following equations a) Cos Ɵ = -1/2 b) -18 Sin Ɵ + 9 = 0

Mathematics
1 answer:
Olenka [21]2 years ago
4 0

Answer:

what is cos and sin ?

Step-by-step explanation:

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