+0  
 
0
4315
1
avatar

Choose the point on the terminal side of -210°. 
Select one:
a. (-1, 1)
b. (-1, √3 )
c. ( √3 , -1)
d. ( -√3 , 1)

 Nov 2, 2017
 #1
avatar+128079 
+2

-210°  = 360 - 210  =   150°

 

This is a 30° reference angle in the second quadrant

 

Tan 30°  in the second quadrant  =  y/x  = 1 / -√3

 

So......(x , y)  =  d. ( -√3 , 1) 

 

 

cool cool cool

 Nov 3, 2017

2 Online Users

avatar
avatar