<PRE><B>Question 934940</B>
frequency (f) is given as 240 cycles/minute:
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because the answer equation must be in units of seconds ...
convert f to cycles/second:
f = 240 cycles/minute * (1/60 minutes/second)
f = 240/60 cycles/second
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assume our sine() function takes radians and not degrees:
in that case we must convert the argument of the sine() function to radians:
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1 cycle = 2*pi radians
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the units of the argument to the sine() function are:
sine( 2*pi radians/cycle * 240/60 cycles/second * t seconds )
sine( radians )
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d = 10 * sin( 2 * pi * (240/60)t )
d = 10 * sin( 2 * 3.14159265359 * (240/60)t )
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