Mister Exam

sin^2x+3cos^2x canonical form

The teacher will be very surprised to see your correct solution 😉

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The solution

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   2           2       
sin (x) + 3*cos (x) = 0
$$\sin^{2}{\left(x \right)} + 3 \cos^{2}{\left(x \right)} = 0$$
sin(x)^2 + 3*cos(x)^2 = 0