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Proof of inverse sin

  1. Oct 21, 2007 #1


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    Can someone tell me where I can find a complete proof of the infinite series used to find the arcsin? thanks in advance.
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  3. Oct 22, 2007 #2


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    http://planetmath.org/encyclopedia/TaylorSeriesOfArcusSine.html [Broken]
    Last edited by a moderator: May 3, 2017
  4. Oct 22, 2007 #3


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    Thank you for link. I apologize I should have been more specific with my question.

    I actually wanted to see a proof or some method that specifically creates arcsin. I ask because I was tutoring a student one day in trig and was trying to get the angle of sin based on the output of the sin with that unknown angle. To make a long story short I realized I never needed the angle measure to begin with but I was curious to see if there's a way to get the angle of a trig function just based on using the unit circle. I guess that's my real question: is there a way to get arcsin just by using the unit circle?
    Last edited by a moderator: May 3, 2017
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