"What does x equal when cos⁡(x)=0?" was answered by our experts

Kaspaueru2

Answered question

2021-12-20

What does x equal when

\cos (x) = 0

Medicim6

Beginner2021-12-21Added 33 answers

x = \cos^{- 1} (0) = 90 °

And it also can be 270°, 450°, 810°, -90°, -270° etc.

kaluitagf

Beginner2021-12-22Added 38 answers

\pm \frac{π}{2}

\cos (x) = 0 \Rightarrow a r c (x) = \pm \frac{π}{2}

For period

(0; 2 π)

the answers are:

\frac{π}{2}

\frac{3 π}{2}

RizerMix

Expert2021-12-29Added 656 answers

General solutions for $\cos (x) = 0$ are:
$x = \frac{π}{2} + 2 π n a n d x = \frac{3 π}{2} + 2 π n$

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