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Which value of theta satisfies the equation 2cos^2theta - cos theta=0 A) cos2(θ)−cos(θ)=0 B) cos(θ)(cos(θ)−1)=0 C) cos(θ)=0 D) cos(θ)=1
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Mar 2, 2017
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Which value of theta satisfies the equation 2cos^2theta - cos theta=0
A) cos2(θ)−cos(θ)=0
B) cos(θ)(cos(θ)−1)=0
C) cos(θ)=0
D) cos(θ)=1
Mathematics
high-school
Chanpkr
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2cos^2(θ) - cos(θ) = 0
cos(θ) (2cos(θ) - 1) = 0
cos(θ) = 0
option C is the correct answer.
Wanbok Choi
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Mar 8, 2017
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Wanbok Choi
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