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Mathematics, 31.05.2021 08:30 louiecampos
1. find the exact value of cos2θ if sin 2θ=3/4 and θ is between 0° and 90° 2. verify that sinθ(cos²θ-cos2θ)=sin³θ
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1. find the exact value of cos2θ if sin 2θ=3/4 and θ is between 0° and 90°
2. verify that sinθ(cos²...
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