Sketch y = 2 sin(x) + x - 2
(b) This graph intersects the x-axis exactly once.
(i) Show that the x-intercept of the graph does not lie in the interval (0, 0.7)
(ii) Find the the value of a, 0<a<1 for which the graph will cross the x-axis in the interval (a, a + 0.1) and state this interval
(iii) Given x = alpha is the root of the equations 2 Sin(x) + x - 2 = 0, explain why alpha lies in the interval (a, a + 0.1)
(iv) The equation 2 Sin(x) + x - 2 = 0 can be solved by obtaining the point of intersection of two graphs, one of which is y = sin(x)
(a) What is the equation of the other graph??
(b) Express the coordinates of the point of the intersection of the two graphs as algebraic expression in terms of alpha.
This is graph.
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