Question 3
Show that the function given by f (x) = sin x is (a) increasing in 0, 2 π (b) decreasing in ,2 π π (c) neither increasing nor decreasing in (0, π)
SOLUTION
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Show that the function given by f (x) = sin x is (a) increasing in 0, 2 π (b) decreasing in ,2 π π (c) neither increasing nor decreasing in (0, π)