Wolfram Mathematica Online Integrator
The world's only full-power integration solver
Integrate[Sqrt[2 + 2*Cos[x]], x] ==
2*Sqrt[2 + 2*Cos[x]]*Tan[x/2]
Integrate[Sqrt[2 + 2 Cos[x]], x] ==
x
2 Sqrt[2 + 2 Cos[x]] Tan[-]
2
Time to compute: 0.02 second
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