Why are trigonometric reduction formulas called “reduction” formulas?

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The calculus teacher thought we were dumb, so now he's teaching us elementary math problems.

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How should you eat whelks?

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[Princess’s Water Flow] has posted a new video—come check it out!

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Exposed: The Craziest Live-Stream Scams Out There—Stay Sharp and Avoid Getting Trapped!

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Is it possible that the third time is almost enough?

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Let’s take a look at those amazing jobs.

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Friendly reminder: This is a stress-relief video.

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