Solved: Use the result from Exercise 80 to find the acute angle between each pair of
Chapter 5, Problem 82(choose chapter or problem)
Use the result from Exercise 80 to find the acute angle between each pair of lines. (Note that the tangent of the angle will be positive.) Use a calculator and round to the nearest tenth of a degree. 5x - 2y + 4 = 0, 3x + 5y = 6
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