Solving Trig Equations II
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Solve: sinx + cosx = 1
2π, π/2
Solve: 2sinx + 1 = 0
7π/6, 11π/6
Solve: 2sin²x - sinx -1 = 0
7π/6, 11π/6, π/2
Solve: cos²x + sinx = 2
No Solution
Solve: sin²x - 1 = 0
π/2, 3π/2
Solve: sin(2x) = cosx
π/2, 3π/2, π/6, 5π/6
Solve: 2cos²x-5cosx +2 = 0
π/3, 5π/3
Solve: 2cos²x - 1 = 0
π/4, 3π/4, 5π/4, 7π/4
Solve: 2sinx - 1 = 0
π/6, 5π/6