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OpenStudy (ilovepurple42043):
for questions 4 and 5, what values for theta(0<_ theta <_2 pi) satisfy the equation? 4. 4cos theta+1=2cos theta A-2pi/3,4pi/3 B-pi/6,5pi/6 C-7pi/6,11pi/6 D-pi/3,6pi/3 5. cos theta-tan theta cos theta=0 A-0,pi.4,pi,5pi/4 B-pi/4,5pi/4 C-pi/2,3pi/4,3pi/2,7pi/4 D-pi/2,7pi/6,3pi/2,11pi/6
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OpenStudy (ilovepurple42043):
@LegendarySadist @leon549
OpenStudy (anonymous):
cos theta = 60 degree cos theta = pi/3 so d
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