SOLUTION: 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
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Question 693416: 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
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
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
cos θ=-1/4
reference angle≈1.32 in quadrants II and III where cos<0
θ≈1.82+2πk, 4.46+2πk, k=any integer
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