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- Improper integral
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How to use it?
- Integral of d{x}:
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Integral of x^e
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Integral of √(x+4)
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Integral of sqrt(1+x^4)
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Integral of sin(2x)cos(2x)
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Identical expressions
- (two tgx)/(cosx)^2
- (2tgx) divide by ( co sinus of e of x) squared
- (two tgx) divide by ( co sinus of e of x) squared
- (2tgx)/(cosx)2
- 2tgx/cosx2
- (2tgx)/(cosx)²
- (2tgx)/(cosx) to the power of 2
- 2tgx/cosx^2
- (2tgx) divide by (cosx)^2
- (2tgx)/(cosx)^2dx
Integral of (2tgx)/(cosx)^2 dx
The solution
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[src]
pi -- 4 / | | 2*tan(x) | -------- dx | 2 | cos (x) | / 0
$$\int\limits_{0}^{\frac{\pi}{4}} \frac{2 \tan{\left(x \right)}}{\cos^{2}{\left(x \right)}}\, dx$$
Integral((2*tan(x))/cos(x)^2, (x, 0, pi/4))
The answer (Indefinite)
[src]
/ | | 2*tan(x) 1 | -------- dx = C + ------- | 2 2 | cos (x) cos (x) | /
$$\int \frac{2 \tan{\left(x \right)}}{\cos^{2}{\left(x \right)}}\, dx = C + \frac{1}{\cos^{2}{\left(x \right)}}$$
The graph
Use the examples entering the upper and lower limits of integration.