#66 4.04 questions Precalculus


label Mathematics
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May 14th, 2015

sec θ = 1 / cos θ = 2

therefore,

cos θ = 1/2

cos θ is 1/2 when θ = 60 degrees and 300 degrees

or  π/3 and 5π/3



May 14th, 2015

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May 14th, 2015
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May 14th, 2015
Nov 21st, 2017
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