SOLUTION: Solve the equation for all degree solutions and if
0° ≤ θ < 360°.
Do not use a calculator. (Enter your answers as a comma-separated list. If there is no solution, ent
Algebra.Com
Question 931487: Solve the equation for all degree solutions and if
0° ≤ θ < 360°.
Do not use a calculator. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
(2 cos θ + square root2)(2 cos θ − 1) = 0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(2 cos θ + square root2)(2 cos θ − 1) = 0
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cos(t) = -sqrt(2)/2
t = (3/4)pi or (5/4)pi
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cos(t) = 1/2
t = pi/3 or -pi/3
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Cheers,
Stan H.
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