If 4cos2(x)−3cos(x)=0 what is cos(x)?
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Answer:
cos(x) = 0 or 3/4
Step-by-step explanation:
4cos2(x)−3cos(x) = 0
cos(x) (4cos(x)-3) = 0
cos(x) = 0 or 4cos(x)-3=0
cos(x) = 0 or cos(x)=3/4
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