Isn’t it easier to write sin 2theta = 2 sin theta and not bother memorizing the double-angle formula

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24-03-2020
Mathematics

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Isn’t it easier to write sin 2theta = 2 sin theta and not bother memorizing the double-angle formula

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ChillMuse ChillMuse · Answer 1 · 2020-03-24T08:29:53+01:00

ChillMuse ChillMuse

24-03-2020

First off, sin 2 theta = 2 sin theta cos theta. Also, the answer to your question is no. There are multiple double angle formulas, and it is important that you remember them so that you can answer questions correctly.

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