Sunday

April 20, 2014

April 20, 2014

Posted by **sejul** on Wednesday, March 30, 2011 at 6:16pm.

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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