How many -intercepts does the graph of have in the interval ?

MATHEMATICS · Single correct · GCSE · Mathematics · Graphs · Graphs

Problem

How many xx-intercepts does the graph of y=sin⁡xy = \sin x have in the interval [−2π,  π][-2\pi,\;\pi]? (a) 55 (b) 33 (c) 44 (d) 77

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