Mathematics, 10.10.2021 01:00 lw057080

If theta=2pi/3, then the value of cos theta = -1/2
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If theta=2pi/3, then the value of cos theta = -1/2
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If theta=2pi/3, then the value of cos theta = -1/2 Please read screenshot for full question

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Another question on Mathematics

If theta=2pi/3, then the value of cos theta = -1/2
Please read screenshot for full question