1) cos^2(x) - sin(x) = 2) sin^2(x) + cos(x) = 3) cos^2(x) + sin(x) = 4) cos(2x) - cos(x) = 5) sin(x) + cos(x) + sin(3x) = 6) 2sin^2(x) - 5sin(x)cos(x) + 5cos^2(x) = 7) sqrt(3)cos(x) - sin(x) = 8) sqrt(3)cos(x) - sin(x) = 9) sin^2(x) + cos(2x) + sin^2(3x) = 3/2
1) cos^2(x) - sin(x) =
2) sin^2(x) + cos(x) =
3) cos^2(x) + sin(x) =
4) cos(2x) - cos(x) =
5) sin(x) + cos(x) + sin(3x) =
6) 2sin^2(x) - 5sin(x)cos(x) + 5cos^2(x) =
7) sqrt(3)cos(x) - sin(x) =
8) sqrt(3)cos(x) - sin(x) =
9) sin^2(x) + cos(2x) + sin^2(3x) = 3/2