I know that it involves an arc(trig function) but I don't exactly know which. I'm having a (very) rough year in trigonometry but was hoping someone could teach me how to solve that basic problem.
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Originally Posted by iggy1110 I know that it involves an arc(trig function) but I don't exactly know which. To undo a sine, try using the arc-sine.
Originally Posted by stapel To undo a sine, try using the arc-sine. Thank you very much =) So would the equation I use to solve look like this: x = arcsin .9486
Originally Posted by iggy1110 Thank you very much =) So would the equation I use to solve look like this: x = arcsin .9486 Yep, since sin(x) repeats itself the answer would be $\displaystyle x = arcsin(.9486) \pm 2k\pi$ where k is an integer and radians are used
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