+0  
 
0
49
1
avatar

How many values of x with 0 degrees <= x <= 990 degrees satisfy sin x = -0.31 ​?

 

Answer is not 12

 Mar 2, 2020
 #1
avatar+21815 
+1

There will be 2 for each 360 degrees

360      2

360-720    2 more

720 -990  1 more        total   5

 Mar 2, 2020

42 Online Users

avatar
avatar
avatar
avatar
avatar
avatar
avatar