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What is the degree form for  4π5  radians?

°____

 

 

What is a positive coterminal angle to −32°  that is between 500° and 1000° and a negative coterminal angle to −32° that is between −500°  and −50°?

positive coterminal angle: °____

negative coterminal angle: °___

 

In which quadrant does the terminal side of the angle 257° lie?

 

Quadrant I

Quadrant II

Quadrant III

Quadrant IV

I really appreciate your help. Thanks so much!

 Jan 11, 2018
 #1
avatar+111329 
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4pi/5  *  (180) / pi  =  (4/5)(180)  =  144°

 

 

posive coterminal angle  = 2*360 - 32  =  688°

negative coterminal angle  = -360 - 32  =  -392°

[ if the negative coterminal angle is supposed to be between - 500 and -1000, we have 

-2*360 - 32  =  -752°  ]

 

257°   lies between  180°  and 270°....so......Quadrant III

 

 

cool cool cool

 Jan 11, 2018

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