All points with coordinates x= rcos(0) and y = sin(0), where r is a constant, lie on a circle with radius r, i. e. they satisfy the equation x+ y = r2. a) Create a column vector for 0 with the values 0, TT/4, T/2, 3T/4, T, and 5TT/4. b) Take r =2 and compute the column vectors x and c) y. d) Now check that x and y indeed satisfy the equation of a circle, by computing the radius r= V+ y².

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