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Beantwortet: Hilfe Integralrechung sinus cosinus

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∫ SIN(x) / COS(x) dx

Subst.

z = COS(x)

1 dz = - SIN(x) dx

dx = - dz / SIN(x)

∫ SIN(x) / COS(x) dx = ∫ - 1 / z dz = - LN(z) = - LN(COS(x)) + C


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