What is the general solution for arctan(x)=(7.8)/(-4.42) ?

The general solution for arctan(x)=(7.8)/(-4.42) is No Solution for x\in\mathbb{R}

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arctan(x)=(7.8)/(-4.42)

arctan (x) = \frac{7.8}{- 4.42}

No Solution for x \in R

Solution steps

arctan (x) = \frac{7.8}{- 4.42}

Apply the fraction rule:

\frac{a}{- b} = - \frac{a}{b}

arctan (x) = - \frac{7.8}{4.42}

- \frac{π}{2} < arctan (x) < \frac{π}{2}

No Solution for x \in R

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cos (2 π x) \cdot 2 π + 2 π = 0

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4 sin (2 x) - 12 = 0, 0 \leq x \leq 2 π

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What is the general solution for arctan(x)=(7.8)/(-4.42) ?
The general solution for arctan(x)=(7.8)/(-4.42) is No Solution for x\in\mathbb{R}