Question 971820
Find, to the nearest degree, all positive values of theta less than 360° that satisfy the equation 2tan^2-2tan=3.
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Sub x for tan
2x^2 - 2x - 3 = 0
*[invoke solve_quadratic_equation 2,-2,-3]
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tan =~ 1.8229
theta = 61, 241 degs
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tan =~ -0.8229
theta = 321, 141 degs