List questions from trigonometric-series

Published on 21 Apr 2014 - 2:53

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Find the value of $\sin(B-A)$.

Published on 21 Apr 2014 - 19:46

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History of infinite series representations of $\sin(x)$ and $\cos(x)$

Published on 22 Apr 2014 - 3:42

114

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Solving $\operatorname{ctg} x=x/b$

Published on 26 Mar 2026 - 1:00

138

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Explain how the following is equal to $2\cos x$.

Published on 22 Apr 2014 - 19:46

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Taylor Series of $\tan x$

Published on 26 Apr 2014 - 16:04

224

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Finite Trigonometric Sum

Published on 02 May 2014 - 2:10

568

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Fourier Series; odd and even half-range expansion

Published on 02 May 2014 - 12:45

139

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Finding the limit using McLaurin series and/or "little o" method.

Published on 03 May 2014 - 7:34

48

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Determine the maximal compact interval such that $\sum_{n=0}^{\infty}(-1)^n\frac{x^{2n+1}}{2n+1} = \arctan(x)$ holds true

Published on 13 May 2014 - 20:32

416

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How does WolframAlpha simplify sine and cosine?

Published on 25 Mar 2026 - 14:02

145

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Integral is equal to $0$

Published on 18 May 2014 - 18:30

1.1k

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Proving that $\frac{sinx}{x}=(1-\frac{x^2}{\pi^2})(1-\frac{x^2}{4\pi^2})(...)$

Published on 20 May 2014 - 14:09

701

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Find a short formula for $\sin x+\sin (x+y)+\sin (x+2y)+. . .+\sin (x+(n-1)y)$

Published on 24 May 2014 - 15:18

74

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Can somebody explain to me why these terms are equal?

Published on 28 May 2014 - 1:38

List Question

Where is the series $\displaystyle\sum_{n=1}^{\infty}\dfrac{\cos(nx)}{n}$ pointwise convergent?

Find the value of $\sin(B-A)$.

History of infinite series representations of $\sin(x)$ and $\cos(x)$

Solving $\operatorname{ctg} x=x/b$

Explain how the following is equal to $2\cos x$.

Taylor Series of $\tan x$

Finite Trigonometric Sum

Fourier Series; odd and even half-range expansion

Finding the limit using McLaurin series and/or "little o" method.

Determine the maximal compact interval such that $\sum_{n=0}^{\infty}(-1)^n\frac{x^{2n+1}}{2n+1} = \arctan(x)$ holds true

How does WolframAlpha simplify sine and cosine?

Integral is equal to $0$

Proving that $\frac{sinx}{x}=(1-\frac{x^2}{\pi^2})(1-\frac{x^2}{4\pi^2})(...)$

Find a short formula for $\sin x+\sin (x+y)+\sin (x+2y)+. . .+\sin (x+(n-1)y)$

Can somebody explain to me why these terms are equal?

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