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Gnoma [55]
3 years ago
6

Can anyone help me / explain these to me? Thank you.

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
8 0

Answer:

The question to your answer is:

a) cos 150 = -√3 / 2 or - 0.866

b) tan 225 = 1

c) cos (-240) = -1/2

Step-by-step explanation:

See the picture below

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