Answered

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4. The reference angle for 190 is
A. 10°
B. 180°
C. -10°
D. 90°


Sagot :

Answer: A

Step-by-step explanation:  A reference angle is smallest possible angles that  terminal side makes with the x- axis. Since 190 degrees is located i the 3rd quadrant we use the formula 190-180 to find the possible answer and in this case it is A, 10.

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