Thursday, 15 January 2015

calculus - How to convert r=2scos(theta+t) into Cartesian coordinates?

How would I convert r=2scos(θ+t) into Cartesian coordinates? I believe r currently is in polar coordinates. However, polar coordinates are in form (r,θ) and the equation given is not in that form. How would I solve this?

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real analysis - How to find limhrightarrow0fracsin(ha)h

How to find limh0sin(ha)h without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...