Question

integrate 1/cos²x respect to x

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Answer 1

Step-by-step explanation:

$\frac{1}{ {cos}^{2} x} = {sec}^{2}x \: = tan \: x \: + c$

Answer 2

$∫1/{cos}^{2}dx = ∫{sec}^{2} \times dx\:$

= tan x + c