Question

Find all solutions for sinx = √3/2 in the range 0 ≤ x ≤ 3∏

Answer 1

take the inv sine, solutions are constant nonzero multiples of that angle

Answer 2

Look at the unit circle. Sine is sqrt(3)/2 when x = pi/3, 2pi/3.
They want you to find all angles in the range 0 ≤ x ≤ 3∏
just add 2pi to the above two angles and you will have 4 values in the range 0 to 3pi.

Answer 3

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