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Complex Hyperbolic Trigonometry Proofs: cos(iz) = cosh(z) and cosh(iz) = cos(z) (The Math Sorcerer) View |
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Complex definitions of sine and cosine (blackpenredpen) View |
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Proof that sin(-z) = -sin(z), cos(-z) = cos(z), and tan(-z) = -tan(z) for Complex Values of z (The Math Sorcerer) View |
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Hyperbolic Functions: Definitions, Identities, Derivatives, and Inverses (Professor Dave Explains) View |
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Solving cos z+sin z=2 (Jonathan Shock) View |
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Complex Variables Trigonometric Identity Proof sin^2(z) + cos^2(z) = 1 (The Math Sorcerer) View |
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Solving Complex Trig Equation sinz=2 (inTuition) View |
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Complex Hyperbolic Trigonometry Proofs: sin(iz) = isinh(z) and sinh(iz) = isin(z) (The Math Sorcerer) View |
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sin(z) = pi, z is complex (Math Elite) View |
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Complex Analysis cos z (Engr. Eking Explains) View |