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how is the graph y=5sin2x related to y=sinx?
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First let's think about the period of this function (the length you have to complete one cycle)
second let's think about amplitude...
Amplitude is easy...the sine function is bounded between -1 and 1... this function we have is bounded between -5 and 5 so our sine function is stretched...
i'll send a drawing from my phone...one minute
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does it make sense?
yes thanks for your help
you are welcome :-)
do you mind helping me out with another problem?
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