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Trigonometric Functions and the Unit Circle
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Secant and the Trigonometric Cofunctions

Point on a unit circle

Point on a unit circle

The point $\displaystyle{\left(-\frac{\sqrt{3}}{2}, \frac{1}{2}\right)}$, shown on a unit circle.

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    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "Algebra and Trigonometry."
    http://cnx.org/contents/13ac107a-f15f-49d2-97e8-60ab2e3b519c@5.241 OpenStax CC BY 4.0.
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