SOLUTION: How do I solve this without a calculator? 2sin^-1=sqrt2

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Question 776379: How do I solve this without a calculator?
2sin^-1=sqrt2
Found 2 solutions by tommyt3rd, rothauserc:
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
if you mean the inverse of sine, then this equation is missing an operand for the inverse sine function. Please repost with a clear and complete question :)

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
How do I solve this without a calculator?
2sin^-1=sqrt2
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begin by squaring both sides of the =
2^2 * (sin^-1 * sin^-1) = sqrt(2) * sqrt(2)
4*sin = 2
sin = 1/2
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sin 30 degrees = 1/2