WAEC - Mathematics (1991 - No. 25)
the graph above is a sketch of
y = sin 2x
y=sinx
y=cos2x
y=2sinx
y = 2cos x
Explanation
by using trial and error Y = sinx since \(\pi\) in radian = 180º
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the graph above is a sketch of
by using trial and error Y = sinx since \(\pi\) in radian = 180º
