Tag: quadrantal
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1.3 Trigonometric Functions
In trigonometry, there are 6 trigonometric functions that relate an angle of a right triangle to two side lengths. The 3 main functions are sine, cosine, and tangent, with their reciprocals being the cosecant, secant, and cotangent. Let’s remember the Pythagorean Theorem: We can visualize the Pythagorean theorem in all four quadrants and the way…