Posted by s on Tuesday, December 16, 2008 at 7:17pm.
since it is a unit circle, that is the radius is 1, then P can be written as (cosß,sinß)
then cosß = .3420
then angle ß = 70º
notice you would get the same if you took
sin ß = .9397
ß = 70º and notice that
.3420^2 + .9397^2 = 1
thanks
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