Dec 13, 2005 #1 H Highlander-SP Member level 3 Joined Sep 21, 2005 Messages 64 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,884 What is the d/dt sin Θ ?
Dec 13, 2005 #2 M manenef Member level 1 Joined Nov 9, 2005 Messages 35 Helped 5 Reputation 10 Reaction score 2 Trophy points 1,288 Location kenya Activity points 1,577 The answer to your equation would be zero, because θ is not a delivative of d/dt.. otherwise if it were d/dθ sinθ, the answer would be cosθ. goodbye
The answer to your equation would be zero, because θ is not a delivative of d/dt.. otherwise if it were d/dθ sinθ, the answer would be cosθ. goodbye
Dec 13, 2005 #3 K kivet Junior Member level 1 Joined Nov 8, 2005 Messages 16 Helped 4 Reputation 8 Reaction score 2 Trophy points 1,283 Activity points 1,442 Hi, in your problem it seems sinθ is not a function of time (if t is time). therefore the derivative of sinθ with respect to t is zero.
Hi, in your problem it seems sinθ is not a function of time (if t is time). therefore the derivative of sinθ with respect to t is zero.
Dec 14, 2005 #4 H Highlander-SP Member level 3 Joined Sep 21, 2005 Messages 64 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,884 but Θ isn't a function ωt? ω (rad/sec) * t (sec) = Θ (rad)
Dec 14, 2005 #5 K kivet Junior Member level 1 Joined Nov 8, 2005 Messages 16 Helped 4 Reputation 8 Reaction score 2 Trophy points 1,283 Activity points 1,442 Hi, Because θ is a function of time (t) then d/dt(sin ωt) = ωcosωt. The derivative of sine is cosine.
Hi, Because θ is a function of time (t) then d/dt(sin ωt) = ωcosωt. The derivative of sine is cosine.
Dec 14, 2005 #6 mtkee2003 Full Member level 2 Joined Sep 24, 2005 Messages 132 Helped 4 Reputation 10 Reaction score 1 Trophy points 1,298 Activity points 2,356 hi in general if θ = θ(t) then d(sin(θ(t)))/dt is equal to: (d(θ(t))/dt) × cos (θ(t)) have a nice day
hi in general if θ = θ(t) then d(sin(θ(t)))/dt is equal to: (d(θ(t))/dt) × cos (θ(t)) have a nice day