Solve Trig equations
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tan(4x) = -1
-11.25
sin x = -0.71
-45.2
tan x = -1.61
-58.2
2sin^2x - sinx-3 = 0
-90
2 tan^2(x) + 5tan x = 0
0, -68.2
sinx-2sinxcosx = 0
0, 60
cos^3 - cos x =0
0, 90, 270
sin (2x) = 0.61
18.8
sqrt(2)sin(2x) = 1
22.5, -45
cos(2x) = 1/2
30
4cos^2x -3 = 0
30, 150
Sin x = 0.61
37.6
cos x =
67.0
cos(x/2) = sqrt(2)/2
90
sin(x/2) -1 = 0
90
