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Solve the following equation over the interval (0°, 360°). List all possible answers. 4cos²x - 3=0
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Solve the following equation over the interval (0°, 360°). List all possible answers.

4cos²x - 3=0

User Aoak
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1 Answer

11 votes

Answer:

Hi...

Cosx^2=3/4

Cosx=radical 3/2

X=30 degree

User Sandhurst
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