What is the integral of 7cot^4(x) ?

The integral of 7cot^4(x) is 7(-1/3 cot^3(x)+x+cot(x))+C

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integral of 7cot^4(x)

\int 7 cot^{4} (x) d x

7 (- \frac{1}{3} cot^{3} (x) + x + cot (x)) + C

Solution steps

\int 7 cot^{4} (x) d x

Take the constant out:

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

= 7 \cdot \int cot^{4} (x) d x

Apply Integral Reduction

= 7 (- \frac{cot ^{3} ( x )}{3} - \int cot^{2} (x) d x)

\int cot^{2} (x) d x = - x - cot (x)

= 7 (- \frac{cot ^{3} ( x )}{3} - (- x - cot (x)))

Simplify

7 (- \frac{cot ^{3} ( x )}{3} - (- x - cot (x))) : 7 (- \frac{1}{3} cot^{3} (x) + x + cot (x))

= 7 (- \frac{1}{3} cot^{3} (x) + x + cot (x))

Add a constant to the solution

= 7 (- \frac{1}{3} cot^{3} (x) + x + cot (x)) + C

2 x y - 9 x^{2} + (2 y + x^{2} + 1) y^{^{'}} = 0

\frac{d}{d x} (5 tan (2 x^{3}) + \frac{2}{x ^{2}})

y^{^{'}} = - (1 + y)^{4}, y (1) = 2

\frac{d}{d x} (C x e^{3 x})

8 t sin (π t)

What is the integral of 7cot^4(x) ?
The integral of 7cot^4(x) is 7(-1/3 cot^3(x)+x+cot(x))+C