How do you write the equation $cos y = x$ $cosy=x$ in the form of an inverse function?

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How do you write the equation $cos y = x$ $cosy=x$ in the form of an inverse function?

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Answer 1 · 2016-12-13T10:04:17

${cos}^{- 1} x = y$ $cos^-1 x = y$

Explanation:

This simply means that $cos y = x$ $cos y = x$ .
An example is ${cos 60}^{\circ} = \frac{1}{2}$ $cos 60^@ = 1/2$ .
${cos}^{- 1} (\frac{1}{2}) = 60^{\circ}$ $cos^-1 (1/2) = 60^@$ .
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Basic inverse trigonometric functions

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How do you write the equation $cos y = x$ $cosy=x$ in the form of an inverse function?

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How do you write the equation cosy=xcosy=xcosy=x in the form of an inverse function?

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Explanation:

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Impact of this question

How do you write the equation $cos y = x$ $cosy=x$ in the form of an inverse function?