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Mathematics
Charlie Simmons
18 February, 05:22
Solve sin x + 2 sin x cos X = for 0°
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Dante Morgan
18 February, 06:24
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Step-by-step explanation:
hello:
sin x + 2 sin x cosx = 0 equivalent to : sinx (1+2cosx) = 0
sinx=0 means : general solution is : x = kπ ... k in Z
1+2cosx=0 means : cosx = - 1/2 general solution is : x = ±π/6+kπ ... k in Z
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