Assume that 0 < /2. Find sin 2 and cos 2 if tan =2.
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Assume that 0 ≤ θ < π/2.
Find sin 2θ and cos 2θ if tan θ =√2.
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By the doubleangle formulas sin 20 2 sin cos 0 and cos 20 cos0sin 0 We can de...View the full answer
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