Mathematics, 09.12.2019 01:31 mlguerrero12

Find the exact values of sin θ/(2 ) and cos θ/2 for sin θ= 2/5 on the interval 0° ≤ θ ≤ 90°

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Find the exact values of sin θ/(2 ) and cos θ/2 for sin θ= 2/5 on the interval 0° ≤ θ ≤ 90°...

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