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HELP ASAP!! DUE TOMORROW!! WILL MARK AS BRAINLIEST IF ANSWERED NOW!!
Directions: State the quadrant in which the terminal side of each angle lies.

1. 520 degrees
2. 690 degrees
3. -61 degrees
4. -574 degrees
5. -105 degrees

11. -π/3
12. π/3
13. -7π/12
14. -π/12
15. -53π/18

Respuesta :

sqdancefan
Add or subtract multiplies of 360° until the angle is in the range [0, 360). Then, compare to ...
.. 0-90 . . . . . .. quadrant I
.. 90-180 . . . .. quadrant II
.. 180-270 . . .. quadrant III
.. 270-360 . . . quadrant IV

1. 520° ~ 160° . . . Q2
2. 690° ~ 330° . . Q4
3. -61° ~ 299° . . . Q4
4. -574° ~ 146° . . Q2
5. -105° ~ 255° . . Q3

Multiply by 180/π and proceed as above.
11. -π/3 ~ 300° . . . . Q4
12. π/3 ~ 60° . . . . .. Q1
13. -7π/12 ~ 255° . . Q3
14. -π/12 ~ 345° . . . Q4
15. -53π/18 ~ 190° .. Q3

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