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    Jayeffgee's Avatar
    Jayeffgee Posts: 1, Reputation: 1
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    #1

    Mar 20, 2012, 05:15 PM
    Calculate sine 2x
    Sine 2x = 0.0232
    X = ?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Mar 21, 2012, 06:00 AM
    If Sin(2x) = 0.0232, then 2x = Arcsin(0.0232). Do you have a calculator that has the arcsin function?

    **EDIT - since for small angles sin(x) is very close to x, you can estimate this quite easily: set and solve for x.
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