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It is a very nice presentation. Helped me understand some things. Have a question however.. How did you equate Sin θdθ = d cos(θ). You did not mention any integration.
dcos(t)/dt=-sin(t) ---> dcos(t)=-sin(t)*dt
d/dθ (cos(θ)) = sinθ
TOP, pleasant lesson! ;)
It is a very nice presentation. Helped me understand some things. Have a question however.. How did you equate Sin θdθ = d cos(θ). You did not mention any integration.
dcos(t)/dt=-sin(t) ---> dcos(t)=-sin(t)*dt
d/dθ (cos(θ)) = sinθ
TOP, pleasant lesson! ;)