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Science & Mathematics by Anonymous 2018-06-28 19:33:52
Social Science
Find the exact acute angle θ for cosθ=1/2?
6 answers
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Anonymous
Remember that the sides of a 30-60-90 triangle are in the ratio 1:√3:2. cosθ = ½ then θ = 60°
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Anonymous
theta = pi/3
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Anonymous
cos Ө = 1/2 Ө = 60⁰
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Anonymous
θ = cos^-1( ½ ) The angle is 60˚.
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Anonymous
The angle whose cosine is 1/2 is 60 degrees, or pi/6 radians.
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Anonymous
A