What is the integral of 4sec(x) ?

The integral of 4sec(x) is 4ln|tan(x)+sec(x)|+C

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integral of 4sec(x)

\int 4 sec (x) d x

4 ln ∣ tan (x) + sec (x) ∣ + C

Solution steps

\int 4 sec (x) d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 4 \cdot \int sec (x) d x

Use the common integral:

\int sec (x) d x = ln ∣ tan (x) + sec (x) ∣

= 4 ln ∣ tan (x) + sec (x) ∣

Add a constant to the solution

= 4 ln ∣ tan (x) + sec (x) ∣ + C

y = 3 - 2 x^{2}

2 x + 1

\frac{d}{d x} (e^{3 x} sin (x^{2}))

7 x^{2}, x^{2} + 3

x \to 3 lim (\frac{x ^{2} - 9}{3 - x})

What is the integral of 4sec(x) ?
The integral of 4sec(x) is 4ln|tan(x)+sec(x)|+C