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OpenStudy (anonymous):
Find the inverse function for f(x)=cos(7x), with 0≤x≤π/14. Find the inverse function for f(x)=cos(7x), with 0≤x≤π/14. @Mathematics
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OpenStudy (anonymous):
but there is a domain for x
OpenStudy (anonymous):
x = cos(7y) arccosx=7y y=(1/7)arccosx but 0<=x<=pi/14 so ..... lets see
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