What is the limit as x approaches-pi/4 of-sec(2x) ?

The limit as x approaches-pi/4 of-sec(2x) is diverges

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limit as x approaches-pi/4 of-sec(2x)

x \to - \frac{π}{4} lim (- sec (2 x))

diverges

Solution steps

x \to - \frac{π}{4} lim (- sec (2 x))

x \to a - lim f (x) \neq = x \to a + lim f (x)

then the limit does not exist

x \to - \frac{π}{4} + lim (- sec (2 x)) = - \infty

x \to - \frac{π}{4} - lim (- sec (2 x)) = \infty

= diverges

f (x) = (3 x^{2} + 4 x - 19)^{15}

y^{^{'}} + y cos (x) = 5 cos (x)

\int sin^{4} (y) cos^{4} (y) d y

f (x) = sin (π x)

x \to 5 lim (5 - x^{2})

What is the limit as x approaches-pi/4 of-sec(2x) ?
The limit as x approaches-pi/4 of-sec(2x) is diverges