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Beliebt Rechnen >

sum from n=1 to infinity of (sin(7))^n

Lösung

n = 1 \sum \infty (sin (7))^{n}

Lösung

\frac{1}{1 - sin ( 7 )} - 1

+1

Dezimale

1.91533 \dots

Schritte zur Lösung

n = 1 \sum \infty (sin (7))^{n}

n = k \sum \infty (a_{n}) = n = 0 \sum \infty (a_{n}) - a_{0} - a_{1} - \dots a_{k - 1}

= n = 0 \sum \infty (sin (7))^{n} - (sin (7))^{0}

n = 0 \sum \infty (sin (7))^{n} = \frac{1}{1 - sin ( 7 )}

= \frac{1}{1 - sin ( 7 )} - (sin (7))^{0}

Vereinfache

= \frac{1}{1 - sin ( 7 )} - 1

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