ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある微分積分 >

sum from n=0 to infinity of (cos^2(5))^n

解

n = 0 \sum \infty (cos^{2} (5))^{n}

解

\frac{1}{1 - cos ^{2} ( 5 )}

+1

十進法表記

1.08750 \dots

解答ステップ

n = 0 \sum \infty (cos^{2} (5))^{n}

級数幾何テストを適用する:

\frac{1}{1 - cos ^{2} ( 5 )}

= \frac{1}{1 - cos ^{2} ( 5 )}

人気の例

(dy)/(dx)=(y-1)^2x^3

\frac{d y}{d x} = (y - 1)^{2} x^{3}

integral of 32x

\int 32 x d x

derivative of 1/(5x^2+4x)

\frac{d}{d x} (\frac{1}{5 x ^{2} + 4 x})

derivative (40ln(3x+1))-(x/3)

d er i v a t i v e (40 ln (3 x + 1)) - (\frac{x}{3})

limit as x approaches 1 of (2x^2)-5x+1

x \to 1 lim ((2 x^{2}) - 5 x + 1)