Hi I am having trouble with the following question: How would you change the following equation in r and to an equivalent equation in x and y? Another question: what have i done wrong P.S
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Here: Transformation from Polar to Cartesian Coordinates In second one:
in the first question i am stuck on what does equal to? i know that sin\theta = so what is ?
sin(2t)=2sin(t)cos(t)
oh ok, knew it was an identity
i get for question 1: however the book's answer is . am i wrong or the book?
Hence, you and your book mistaken...
srry my mistake i posted the wrong question, its suppose to be
just solved it
Originally Posted by Paymemoney srry my mistake i posted the wrong question, its suppose to be So the final answer of your book is true!
Originally Posted by Paymemoney i get for question 1: however the book's answer is . am i wrong or the book? and then square both sides to get the book's answer.
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