$$$\operatorname{asec}{\left(-2 \right)}$$$
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Find $$$\operatorname{asec}{\left(-2 \right)}$$$.
Answer
$$$\operatorname{asec}{\left(-2 \right)} = \frac{2 \pi}{3}\approx 2.094395102393195$$$A
$$$\operatorname{asec}{\left(-2 \right)} = 120^{\circ}$$$A
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