Posted by Anonymous on Sunday, November 8, 2009 at 9:42pm.
How do I find the "exact value" for the arcsin of pi/3 radians?

trig  bobpursley, Sunday, November 8, 2009 at 9:46pm
I hope you mean sine of PI/3. ARCsin makes no sense, because you already have the angle.
PI radians is 180 deg, so PI/3 must be 60 deg. Now notice it is negative (300deg).
I assume you long ago memorized the 306090 triangle functions.

trig  Anonymous, Sunday, November 8, 2009 at 9:47pm
That's weird, my paper clearly says arcsin of pi/3 radians. So should I just say this isn't possible..or would pi/3 still be the answer? or would i write (sqrt 3)/2?
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