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How do you solve for x in $200 = cos (1.7 x)$ $200 = cos(1.7x)$ ?

1 Answer

Sep 9, 2016

You don't. The cosine of any real number is between $- 1$ $-1$ and $+ 1$ $+1$ (inclusive). The correct answer is "no solution".

Explanation:

Remember, if nothing seens to work then you might have "no solution".

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