OpenStax, Precalculus 2e §5.4 Right Triangle Trigonometry · Exercise 2 · Trigonometry · Right triangles
Right Triangle Trigonometry · Exercise 2
When a right triangle with a hypotenuse of 1 is placed in the unit circle, which sides of the triangle correspond to the x- and y-coordinates?
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OpenStax, Precalculus 2e · §5.4 Right Triangle Trigonometry · Exercise 2
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