Dunn Dawson
01/12/2023 · Middle School
19. Sretch the space curve \( x=3 \cos t, y=3 \) sint \( z=4 i \) and find (a) the unit tangent \( T,(b) \) the principal normal N , curvature \( k \) snd radius of curvature \( \rho \), (c) the binormal B, torsion \( \tau \) and radius of torsion \( \sigma \).
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المتجه الموجه \( T = (-\sin t, \cos t, 0) \)
المتجه الطبيعي \( N = (-\cos t, -\sin t, 0) \)
الانحناء \( k = \frac{1}{3} \)
نصف قطر الانحناء \( \rho = 3 \)
المتجه الثنائي \( B = (0, 0, 1) \)
الالتواء \( \tau = 0 \)
نصف قطر الالتواء \( \sigma \) غير معرف.
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