Right Triangles and SOHCAHTOA: Finding the Length of a Side

30 – 60 – 90 RIGHT TRIANGLES 45 – 45 - 90. Therefore, for the Unit Circle, hypotenuse is always 1. Algebra 3 Assignment # 1. Trigonometric Functions. Let θ “theta” represent the measure of the reference angle. Three basic functions are sine, cosine and tangent. They are written as sin θ, cos θ, and tan θ ................
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