(a) Copy and complete the table of values for the relation $y=2\sin x+1$

x	0°	30°	60°	90°	120°	150°	180°	210°	240°	270°
y	1.0				2.7			0.0	-0.7

(b) Using scales of 2 cm to 30° on the x- axis and 2 cm to 1 unit on the y- axis, draw the graph of $y=2\sin x+1,0°\le x\le 270°$.
(c) Use the graph to find the values of x for which $\sin x=\frac{1}{4}$.


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