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 3 years ago
What is the largest value of "x" (in radians) less than pi satisfying the equation: cos x = cos (6x)
 3 years ago
What is the largest value of "x" (in radians) less than pi satisfying the equation: cos x = cos (6x)

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moneybird
 3 years ago
Best ResponseYou've already chosen the best response.2is it the largest though?

agdgdgdgwngo
 3 years ago
Best ResponseYou've already chosen the best response.1http://www.wolframalpha.com/input/?i=graph+cos%28x%29%2C+cos%286x%29+from+0+to+pi

moneybird
 3 years ago
Best ResponseYou've already chosen the best response.2it's the largest value of x, not the largest value of solution

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.0right, I misunderstood

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.2\[\cos(x+2 \pi n)=\cos(6x) => x+2\pi n=6x\]

agdgdgdgwngo
 3 years ago
Best ResponseYou've already chosen the best response.1http://www.wolframalpha.com/input/?i=graph+cos%28x%29%2C+cos%286x%29+from+2.69+to+2.695

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.2\[5x=2\pi n => x=\frac{2 \pi n}{5}\]

agdgdgdgwngo
 3 years ago
Best ResponseYou've already chosen the best response.1Myininaya is right

agdgdgdgwngo
 3 years ago
Best ResponseYou've already chosen the best response.1What's the Python solution to this problem? import sympy. sympy.solve(cos(x) = cos(6x))
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