Mathematics, 20.12.2019 08:31, amberreid028

(cos θ − cos θ)^2 + (cos θ + cos θ)^2 equals what?

a: sin2 θ
b: 4cos2 θ
c: 8
d: cos2 θ

Answers: 1

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(cos θ − cos θ)^2 + (cos θ + cos θ)^2 equals what?

a: sin2 θ
b: 4cos2 θ
...