Problems solved

Question

Problems solved

Problems solved

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Answer 1

2 sin x + root 3 = 0

2 sin x = - root 3

sin x = - (root 3 )/2

reference angle is 𝜋/3 for (root 3) / 2

On the unit circle, sine is negative in 3rd and 4th quadrant.

x = (4𝜋)/3 and (5𝜋)/3