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Find all solutions of the given equation. (Enter your answers as a comma-separated list. Let k...

Find all solutions of the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.)

4 cos(θ) + 1 = 0

θ =    rad

math   trigonometry   
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Answer #1

4 cose + 4 coso - 1 = 0 - 1 0 = 1.82 radian

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