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solve multiple-angle equation

Mathematics
Tutor: None Selected Time limit: 0 Hours

Mar 12th, 2015

1. cos 8x =-1

   8x = cos inverse ( -1 )

   8x = 0

   x = 0/8 = 0

2. tan (x/3) = 1

(x/3 ) = tan inverse (1)

x/ 3 = 45

x = 45*3 = 135


Mar 12th, 2015

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Mar 12th, 2015
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Mar 12th, 2015
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