trig
posted by sejul .
I have to retype this.
For which angles theta,
with 0 degrees less than/equal to theta less than/equal to 180 degrees, is sin 3theta = (equal) 1 (negative 1)?
a) 30 and 150 degrees
b) 60 and 120 degrees
c) 90 degrees
d) 0 and 120 degrees
How do I set this up?
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