javyb13 javyb13
  • 12-01-2017
  • Mathematics
contestada

what quadrant contains -11pi/18 and what is the reference angle?

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 20-01-2017
convert the angle into degrees so we can easily at what quadrant it lies
-11pi / 18 ( 180 / pi)= -110 degrees
to make it a positive angle add 360

-110 + 360= 250 degreesso it is in quadrant III
so the reference angle for quadrant III250 - 180= 70 degrees is the reference angle
Answer Link

Otras preguntas

Which constitutional amendment prohibited the selling of liquor anywhere in the United States
Select all choices that apply. Which statements are true about the agricultural revolution? Choose all answers that are correct. A. It occurred suddenly in Meso
The US presidential election of 1828 was a A- close win for Andrew Jackson. B- close win for John Quincy Adams. C- landslide win for Andrew Jackson. D- landslid
What describes consensus historiography?
140 fluid ounces increased by 45%
simplify the ratio:33 to 44
Socrates A. wrote works praising one of the other philosophers who left no writings B. taught by asking questions C. analyzed how people used and could use logi
PLEASE HELP I GIVE THANKS
A circle is divided into 6 equal sectors. Find the measure of the central angle of each sector. PLEASE HELP
Given that angle E C A and angle E C D are supplementary, what is the measure of angle E C D?