Quote:
Originally Posted by Kishiru
Well, I'm using trigonometric ratios to find the angles of a right triangle. Well I got everything down there is just one thing that I don't understand. What does Sin -1(It should be a small -1 like in squared) mean?
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Sin-1 is jut the negitive inverse of Sin. In your case, you would use it when you have the 90 degree angle and 2-3 side mesurents and you are trying to find one of the missing angles.