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Mathematics, 13.10.2020 02:01 steven983

Find the exact value of sin⁡2θ and the quadrant in which 2θ lies if cos⁡θ=-4/5, with θ in quadrant II.

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Find the exact value of sin⁡2θ and the quadrant in which 2θ lies if cos⁡θ=-4/5, with θ in quadrant I...
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