I am having some trouble with this question. It says here: A point is given on the terminal arm of each angle. Calculate the measure of the principal angle in radians to 1 decimal place. a) (2, 3) b) (-3, 1) How do you figure this out? Thanks!
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Originally Posted by finalfantasy I am having some trouble with this question. It says here: A point is given on the terminal arm of each angle. Calculate the measure of the principal angle in radians to 1 decimal place. a) (2, 3) b) (-3, 1) How do you figure this out? Thanks! In a) we are talking about a quadrant I angle, so you solve So put your calculator in "radian" mode, and figure out what the angle is. -Dan
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