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OpenStudy (anonymous):
How do you graph -cos (2x)? I am not sure.
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OpenStudy (anonymous):
do you know what a normal cos graph looks like? Well, because you want a negative one, you would do it upside down. and since you want "2x", it will be squashed twice as much towards the y axis
OpenStudy (anonymous):
So, is the period still 2pie? And do you stay negative the whole way?
OpenStudy (anonymous):
period is 2pi/k
OpenStudy (anonymous):
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