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Gala2k [10]
3 years ago
15

For which angle θ is cosθ = −1? 270° 360° 450° 540°

Mathematics
2 answers:
Anestetic [448]3 years ago
3 0
540 because it is also 180
Akimi4 [234]3 years ago
3 0
I hope this helps you


COS180=COS540= -1
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