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Curated by: DFulks Math (15 videos)
Did you know that i^i is a real number? In fact, it's a "set" of real numbers, the principal value of which is 0.20787958... Here's a video I made on finding "cos(i)" using the complex cosine function cos(z). https://youtu.be/e2duR-QSgVQ (Note: I decided to do cos(z) instead of sin(z).)