QuestionAugust 25, 2025

If y=-cosx what x-value corresponds to a y-value of 1 between 0 and 2pi [?]pi

If y=-cosx what x-value corresponds to a y-value of 1 between 0 and 2pi [?]pi
If y=-cosx what x-value corresponds to a y-value of 1 between 0 and 2pi [?]pi

Solution
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Answer

\pi Explanation 1. Set the equation Given y = -\cos x, set - \cos x = 1. 2. Solve for \cos x \cos x = -1. 3. Find x in the interval [0, 2\pi] The value of x where \cos x = -1 is x = \pi.

Explanation

1. Set the equation<br /> Given $y = -\cos x$, set $- \cos x = 1$.<br /><br />2. Solve for $\cos x$<br /> $\cos x = -1$.<br /><br />3. Find $x$ in the interval $[0, 2\pi]$<br /> The value of $x$ where $\cos x = -1$ is $x = \pi$.
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