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32 votes
32 votes
HELPPPPPPPP PLEASEEEE

(a) Find an angle between 0° and 360° that is coterminal with 690°.
(b) Find an angle between 0 and 2π that is coterminal with
Give exact values for your answers.

User Michael Behan
by
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1 Answer

26 votes
26 votes
Find an angle that is positive, less than, and coterminal with 690

Subtract 360 from 690

690 -360

The resulting angle of 330 is positive, less than 360 and coterminal with 690

330

Since the angle 330 is in the fourth quadrant, subtract 330 from 360

360 - 330
°
Subtract 330 from 360

Answer is 30
User Alan Baljeu
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3.0k points