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Sine, Cosine, and Tangent : Simplifying (x+450)

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Why can (x+450) be simplified by cosine and sin, but not tan?

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Solution Summary

Sine, cosine, and tangent simplifying of (x+450) are investigated. The solution is detailed and well presented.

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why (x+450) can be simplified by cosine and sin, but not tan?

Solution:

If we tried to use

tan(α+β) = (tanα + ...

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