The driving and driven shafts connected by a Hooke’s joint will have equal speeds, if
(a) cos θ = sin α
(b) sinθ = ±√tanα
(c) tanθ = ±√cosα
(d) cot θ = cos α
The question was asked in an interview for internship.
Asked question is from Straight Line Mechanism topic in section Mechanisms with Lower Pairs of Machine Kinematics