# Integral sqrt(1-x^2)

Indefinite integral |
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integral sqrt(1 – x^2) dx = 1/2 (sqrt(1 – x^2) x + sin^(-1)(x)) + constant |

Expanded form of the integral |

1/2 sqrt(1 – x^2) x + 1/2 sin^(-1)(x) + constant |

Definite integral |

integral_(-1)^1 sqrt(1 – x^2) dx = pi/2~~1.5708 |