31-34 - Solving Trigonometric Equations Solve the equations by factoring. 31. 3 tan0 – 3 tan20 – tan 0 + 1 = 0 32. 4 sin 8 cos e + 2 sin 0 – 2 cos 0 – 1 = 0 33. 2 sin e tan 0 - tan 0 = 1 - 2 sin e 34. sec 0 tan 0 - cos 0 cot 0 = sin 0

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