Evaluate
2\pi \cos(\theta )
Differentiate w.r.t. θ
-2\pi \sin(\theta )
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\int \cos(\theta )\mathrm{d}x
Evaluate the indefinite integral first.
\cos(\theta )x
Find the integral of \cos(\theta ) using the table of common integrals rule \int a\mathrm{d}x=ax.
2\cos(\theta )\pi +0\cos(\theta )
The definite integral is the antiderivative of the expression evaluated at the upper limit of integration minus the antiderivative evaluated at the lower limit of integration.
2\cos(\theta )\pi
Simplify.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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