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Asked by Adam

2cos[x-pi/8]-sqrt2=0

Pi=3.141592654
14 years ago

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Answered by drwls
cos[x-pi/8] = sqrt2/2

x - pi/8 = cos^-1(sqrt2/2) = pi/4

x = 3pi/8 radians = 67.5 degrees
14 years ago
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2cos[x-pi/8]-sqrt2=0

Pi=3.141592654

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