Question

If cot theta=√3 show that 7sin²theta +3cos²theta =4

Answer 1

suppose that theta= Alfa

${cos}^{2} \alpha = 3 \\ {sin}^{2} \alpha = - 2 \\ 7( - 2) + 3(3) = - 14 + 9 = - 5$

so, that can't be prove

Answer 2

Answer:

sorry I didn't know the answer for the question