Math Question: Find the hyperbolic cosine value (cosh) of x if x = -3Ο/4. (
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Find the vertex form of the quadratic function y = x^2 - 4x + 3.
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Math question: Using the SAS rule for congruence of triangles, if two sides of a triangle measure 8 cm and 12 cm, and the included angle measures 60 degrees, find the length of the third side.