2. Civil Engineering
  3. Engineering Graphics
  4. Mathematical equation for Involute is
Q.

Mathematical equation for Involute is

A. x = a cos3 θ
B. x = r cosθ + r θ sinθ
C. x = (a+b)cosθ – a cos(a+b⁄a θ)
D. y = a(1-cosθ)
Answer» B. x = r cosθ + r θ sinθ
Explanation: x= a cos3 Ɵ is equation for hypocycloid, x= (a+ b) cosƟ – a cos ( (a+b)/aƟ) is equation for epicycloid, y = a (1- cosƟ) is equation for cycloid and x = r cosƟ
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