20arcsinx=5?
arcsin x = 5?/20
arcsin x = ?/4
x=sin(?/4) = ?2/2
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03-18-2010, 10:43 PM #1
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03-18-2010, 10:44 PM #2crystalclear72000
GuestPre-Calculus Question! Finding Values of Inverse Functions. What is the exact solution
to the following? what is the exact value for : 20sin^-1x=5pi
the pie is equivalent to 3.14....
and the sin^-1 is the inverse of sin
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03-18-2010, 10:44 PM #3
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20 sin^-1(x) = 5?
=> sin^-1(x) = ?/4
by definition
sin(?/4) = x
x = ?2 / 2
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