Question 180184
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*[tex \Large \sin{0}\text{ deg}\math = 0]


*[tex \Large \cos{180}\text{ deg}\math = -1]


*[tex \Large \sin{270}\text{ deg}\math = -1]


So, evaluate:


*[tex \Large 0 + (-1) - (-1)]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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