SOLUTION: Find one angle with positive measure and one angle with negative measure coterminal with -310�.

Question 185355This question is from textbook Algebra 2
: Find one angle with positive measure and one angle with negative measure coterminal with -310�. This question is from textbook Algebra 2

Answer by feliz1965(151) (Show Source): You can put this solution on YOUR website!
Coterminal angles CA to angle A may be obtained by adding or subtracting k*360 degrees or k* (2 Pi) if radian measure is given.
You were given an angle in degree measure not radian measure.
CA = A + k*360 degrees if A is given in degrees.
CA = -310 + 360
CA = 50 degrees is an angle with positive measure.
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To find an angle with negative measure, we use this:
CA = A - k*360 degrees
CA = -310 - 360
CA = -670
Final answer: 50 degrees and -670 degrees are coterminal with -310 degrees.

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