Question: Let θ be a fixed real number and let (a) Show that {x1, x2) is an orthonormal basis for R2. (b) Verify that c21 +

Let θ be a fixed real number and let
Let θ be a fixed real number and let (a) Show

(a) Show that {x1, x2) is an orthonormal basis for R2.
(b) Verify that
c21 + c22 = ||y||2 = y2 + y22

cos sin -sin x,-| cos Xi and

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