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If sin theta = 1/2, which could NOT be the value of theta? A. 30 B. 210 C. 150 D. 390

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  1. 23 May, 16:58
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    B

    Step-by-step explanation:

    since sin Θ > 0 then Θ is in first / second quadrants

    210 is in the third quadrant and not a solution

    30 is in the first quadrant and is a solution

    150 is in the second quadrant and is a solution

    390 is in the first quadrant (390 - 360) = 30 and is a solution
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