How do you solve and how many solutions does the triangle have if you are given angle A = 69.8 degrees, side a = 74.5, side b = 21.3?
Oliver AtkinsonSolve triangle knowing A = 69.8; a = 74.5, and b = 21.3
Find angle b, given a = 74.5, b = 21.3, and sin A = sin 69.8 = 0.94
sin B = (b.sin A)/a = 21.3(0.94)/74.5 = 0.268 -> There are 2 solutions for angle B B = 15.59 or B = 180 - 15.59 = 164,41. Rejected because b = 21.3 < a = 74.5
180 - A - B = 180 - 69.8 - 15.59 = 94.61 is the angle.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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