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November 28, 2014

November 28, 2014

Posted by **Anonymous** on Sunday, April 7, 2013 at 12:03am.

Give your answers accurate to at least two decimal places, as a list separated by commas.

- precalculus -
**Reiny**, Sunday, April 7, 2013 at 1:11am8sin(pi/4x) = 6

sin ((π/4)x) = .75

πx/4 = .84806 or πx/4 = 2.2935

x = 1.07979 or 2.9202

the period of the original sine curve is 2π/(π/4) = 8

so by adding 8 to the above we get the other two x values

x = 1.07979 , 2.2935 , 9.079 , 10.9202

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