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Nitella [24]
4 years ago
6

Limit of sec x as x approaches π/4

Mathematics
1 answer:
Ad libitum [116K]4 years ago
8 0
Hello,

$ \lim_{x \to  \frac{\pi}{4} }  \dfrac{1}{cos\  x}\\
= \dfrac{1}{ \dfrac{ \sqrt{2}}{2} } \\
=\dfrac{ 2}{\sqrt{2}}=\sqrt{2}\\

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