Cos To Exponential Form - Web substitution of −x − x gives: Web relations between cosine, sine and exponential functions. E−ix = cos(−x) + i sin(−x) = cos x − i sin x e − i x = cos ( − x) + i sin ( − x) = cos x − i sin. (45) (46) (47) from these relations and the properties of.
(45) (46) (47) from these relations and the properties of. E−ix = cos(−x) + i sin(−x) = cos x − i sin x e − i x = cos ( − x) + i sin ( − x) = cos x − i sin. Web relations between cosine, sine and exponential functions. Web substitution of −x − x gives: