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How do you solve tan theta = -3 for 0 < theta < 2pi?Answer is 1.89 and 5.03 I am unsure on how that answer was obtained
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Suppose that you are given the following system of linear equations[variables are x1, x2, x3 and x4] x1 + 3x2 + 9x3 + 2x4 =5 x1
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