The point P(1, 0) lies on the curve y = sin in ( 17 ). X (a) If Q is the point (x, sin in (177)), 17 (i) 2 (ii) 1.5 (iii) 1.4 (iv) 1.3 (v) 1.2 (vi) 1.1 (vii) 0.5 (viii) 0.6 (ix) 0.7 find the slope of the secant line PQ (correct to four decimal places) for the following values of x.