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Thread: Inverse trig function inside another trig function? .:Resolved:.

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  1. Sep 2nd, 2003, 10:12 PM #1
    voidflux
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    Question Inverse trig function inside another trig function? .:Resolved:.

    Hello everyone!
    i'm so lost! I was doing fine until I got to trig in this calc book, and is not even calc, its a review for calc! I hated pre-calc!
    But anyways, i'm having alot of troubles trying to figure this out..
    OKay here is an example i don't understand how you solve it without using a calculator! because your not allowed to use a calculator!
    Evaluate the expression, draw a right traingle.
    Code:
    sin(arcsin(1/2))
and
sin(arctan(3/4))

    How do you find the arcsin of 1/2? or the arctan of 3/4?
    what kind of picture do I draw?
    also i don't understand:
    Solve the equation for x:
    Code:
    arcsin(3x-pi) = 1/2
    Any help would be great!!
    Thanks for listening!
    Last edited by voidflux; Sep 7th, 2003 at 04:46 PM.
    C¤ry Sanchez
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