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OpenStudy (anonymous):
use a calculator to find all the solutions of the equation cos3x = cos(.5), for 0≤x≤pi
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OpenStudy (jdoe0001):
\(\bf cos(3x)=cos(0.5)?\)
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
it has to be done by calculator, though
OpenStudy (jdoe0001):
well hmmm
OpenStudy (jdoe0001):
hmmm a graphing calculator? I can see it coming out easier without it
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OpenStudy (anonymous):
graphing on a graphing calculator
OpenStudy (anonymous):
Try using a scientific calculator
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