# graph of sine

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• August 18th 2008, 01:40 PM
cruxkitty
graph of sine
sketch the graph of y=2sin2theta
• August 18th 2008, 02:02 PM
o_O
Compared to $y = \sin \theta$, we see that the amplitude doubles (due to the coefficient of 2 in front) and that there is a horizontal compression by a factor of 2, meaning its period is halved.

Does this help?