SOLUTION: find all solutions with the domain : zero degrees is less than or equal to theta, which is less than three hundred sixty degrees.
4cos^2A-3=0
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4cos^2A-3=0
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Question 914644: find all solutions with the domain : zero degrees is less than or equal to theta, which is less than three hundred sixty degrees.
4cos^2A-3=0 Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! find all solutions with the domain : zero degrees is less than or equal to theta, which is less than three hundred sixty degrees.
4cos^2A-3=0
cos^2(A)=3/4
cos(A)=±√3/2
A=30˚, 150˚, 210˚, 330˚
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