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2. List of trigonometric identities - Wikipedia

   en.wikipedia.org/wiki/List_of_trigonometric...

   A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x 3 − 3x + d = 0, where is the value of the cosine function at the one-third angle and d is the known value of the cosine function at the full angle.

3. Euler's identity - Wikipedia

   en.wikipedia.org/wiki/Euler's_identity

   The same formula applies to octonions, with a zero real part and a norm equal to 1. These formulas are a direct generalization of Euler's identity, since i {\displaystyle i} and − i {\displaystyle -i} are the only complex numbers with a zero real part and a norm (absolute value) equal to 1 .

4. Euler's formula - Wikipedia

   en.wikipedia.org/wiki/Euler's_formula

   The formula is still valid if x is a complex number, and is also called Euler's formula in this more general case. [1] Euler's formula is ubiquitous in mathematics, physics, chemistry, and engineering. The physicist Richard Feynman called the equation "our jewel" and "the most remarkable formula in mathematics". [2] When x = π, Euler's formula ...

5. Integration using Euler's formula - Wikipedia

   en.wikipedia.org/wiki/Integration_using_Euler's...

   Using Euler's formula, any trigonometric function may be written in terms of complex exponential functions, namely and and then integrated. This technique is often simpler and faster than using trigonometric identities or integration by parts , and is sufficiently powerful to integrate any rational expression involving trigonometric functions.

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7. Die WOW!-Bewerbung DIE WOW!-BEWERBUNG - images.huffingtonpost.com

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   1 Einleitung10 2 Der WOW!-Effekt 11 2.1 Total Recall 11 2.2 Wann es WOW! macht 12 3 Wovon Personaler träumen 16 3.1 Superman gesucht 16 3.2 Superman gefunden 18 4 Storytelling20 4.1 Immer weiter auf der Leiter 20 4.2 Ich bin dann mal weg 21 4.3 Wenn die Liebe zerbricht 22 4.4 Die richtige Dezibel 24