Tag Archives: Trigonometry

Some Trig

A large portion of the “standard” precalculus curriculum consists of a rather tedious recitation of trigonometric identities. I am largely of the opinion that there are only a couple that one really needs to know—for example, the Pythagorean identity (\(\sin(\theta)^2 … Continue reading

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Trigonometric Identities

I have a much younger sister who is currently in high school. In her mathematics classes, she has started to get into trigonometry and trigonometric identities. A few nights ago, she had some questions, which got me thinking once again … Continue reading

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