Prove

Maryk

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Oct 10, 2019
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Can you prove this?
 

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JeffM

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It would also be a good idea to provide a legible statement of the problem.
 
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Maryk

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Oct 10, 2019
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For example, for cosine form of this equation, I have found such good equation to memorize and now I want something like that for this question.
 

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Subhotosh Khan

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For example, for cosine form of this equation, I have found such good equation to memorize and now I want something like that for this question.
Did you figure out the proof of the "cos" equation?

Did you follow the similar "line of attack" for the "sin" problem? If you did - please share your work.
 
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