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Find dy/dx if y=cos2t, x=sint

Find dy/dx if y=cos2t, x=sint
1. 5 answers
2. asked by Sinachi
3. 172 views
find the tangent line equation at x=cost+sin2t, y=sint+cos2t, t=0
1. 3 answers
2. asked by Lielle
3. 984 views
Could someone please check my work on the following problems? I want to be sure that I'm doing them correctly; i'm just required
1. 1 answer
2. asked by Joesph
3. 560 views
Can somebody explain how the derivative of (cost-sint)i and (cost+sint)j equal -2sinti and 2costj. Should it be (-sint-cost)i
1. 1 answer
2. asked by Anonymous
3. 484 views
the path of a particle in the xy-plane is vector r = (cos2t, sint) for t for all [-pi/2, pi] where t represents time. Sketch the
1. 2 answers
2. asked by mark
3. 663 views
the path of a particle in the xy-plane is vector r = (cos2t, sint) for t for all [-pi/2, pi] where t represents time. Sketch the
1. 1 answer
2. asked by mark
3. 612 views
find an equation to the curve at the point corresponding to the given value of the parameter.x = tcost y = tsint when t = π i
1. 1 answer
2. asked by Hanky
3. 690 views
Q.NO.4: Find the arc length of the graph of r(t).r(t)=(t^2)i +(cost + t sint)j +(sint- t cost)k , 0≤t≤π
1. 2 answers
2. asked by akash
3. 661 views
So,y(t) = 2.5e^-t cos2tI need to find the derivative, which is y'(t)= -2.5e^-t(2sin 2t +cost 2t) . And now I need to find t when
1. 3 answers
2. asked by Gordon
3. 533 views
1) show that: 1-cos2t divided by sin2t= TANt2) show that: 1-(cos2t divided by (cos x cos)t)= (TAN x TAN)t
1. 1 answer
2. asked by Craig
3. 535 views