Enter the expression 2cos2(θ)−1, where θ is the lowercase Greek letter theta, physics homework help

Physics
Tutor: None Selected Time limit: 1 Day

Jan 12th, 2016

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The answer to the question is

Cos (2θ)

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Jan 12th, 2016

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Jan 12th, 2016
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Jan 12th, 2016
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