what is the relationship between x and y if and [Ans: x^2 + y^2 = 10] Solution: this is my approach i use reverse engineering to get the correct answer (which is unacceptable): and this is what i get
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Originally Posted by TechnicianEngineer what is the relationship between x and y if and [Ans: x^2 + y^2 = 10] Solution: this is my approach i use reverse engineering to get the correct answer (which is unacceptable): and this is what i get =x^2cos^2(t)+y^2sin^2(t)+x^2sin^2(t)+y^2cos^2(t)= x^2(cos^2(t)+sin^2(t))+y^2(cos^2(t)+sin^2(t))= x^2*1+y^2*1