SOLUTION: the question asks,"cos^-1 0.5=?" and also "The sine is positive in __?" A q2 and q3 B q1 and q2 C q1 and q3

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Question 693461: the question asks,"cos^-1 0.5=?"
and also
"The sine is positive in __?"
A q2 and q3
B q1 and q2
C q1 and q3

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
he question asks,"cos^-1 0.5=?"
and also
"The sine is positive in __?"
A q2 and q3
B q1 and q2
C q1 and q3
..
cos^-1 0.5= 30º or π/6
The sine is positive in q1 and q2 (top half of the unit circle)