# Trig; Sin Problem:

• Nov 27th 2006, 07:59 AM
qbkr21
Trig; Sin Problem:
Evaluate:

$sin^-1\frac{1}{2}^2$
• Nov 27th 2006, 08:04 AM
ThePerfectHacker
Quote:

Originally Posted by qbkr21
Evaluate:

$sin^-1\frac{1}{2}^2$

Well, the arcsine of 1/2 is $\pi/6$
So the answer is the square of that,
$(\pi/6)^2=\pi^2/12$
• Nov 27th 2006, 01:22 PM
topsquark
Quote:

Originally Posted by ThePerfectHacker
Well, the arcsine of 1/2 is $\pi/6$
So the answer is the square of that,
$(\pi/6)^2=\pi^2/12" alt="(\pi/6)^2=\pi^2/12" />

He really wrote $(\pi/6)^2=\pi^2/36$ but the evil computer trolls changed it on him.

-Dan
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