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Mathematics, 26.03.2021 20:50 sophiaa23

Let θ be an acute angle. If cos2θ + cos^2θ = 1, then cosθ = . 2/3
1
√6/3
√2/3

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Let θ be an acute angle. If cos2θ + cos^2θ = 1, then cosθ = . 2/3
1
√6/3
√2/3...
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