How is (cos 5π/4 + isin 5π/4) = (cos -3π/4 + isin -3π/4)??
Meghendra Agrawal , 6 Years ago
Grade
Trigonometry> How is (cos 5π/4 + isin 5π/4) = (cos -3π/...
1 AnswersAnish Singhal
Last Activity: 6 Years ago
Because cos(pi-pi/4) and cos(pi+pi/4) is same similarily for sin
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