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Angelina_Jolie [31]
3 years ago
11

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

Mathematics
1 answer:
Olenka [21]3 years ago
4 0

Answer:

what is cos and sin ?

Step-by-step explanation:

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Answer:

It is the third option.

Step-by-step explanation:

Since when making an angle of 90º an equivalence is formed between the three points and when joining them the order of the figures is given.

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