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stealth61 [152]
3 years ago
15

Can someone please answer. There is one problem. There's a picture. Thank you!!

Mathematics
1 answer:
krok68 [10]3 years ago
5 0
Cos(-θ) = Cosθ   By trigonometric identity.

<span>Cos(-360) = Cos360 
</span>
Cos360 = 1
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