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Section 10.3: Solving Trigonometric Equations
Solve the equation:
Ex 1: 2 sin x + 1 = 0
Ex 2: 3 cot 2 x − 1 = 0
Ex 3: 2 sin(2 x) = 1
Ex 4: 4 cos 3 x − 3 cos x = 0
Ex 5: Find all solutions on [0, 2π)
2 sin 2 x + 3 sin x + 1 = 0
Ex 6: Find all solutions on [0, 2π)
cos x + sin x tan x = 2
Extra problems:
Ex 1. 2 cos x + 1 = 0
Ex 2. sin x(sin x + 1) = 0
Ex 3. 2 sin 2 2 x = 1
Find all solutions on the interval [0, 2π)
Ex 4. cos 3 x = cos x
Ex 5. 3 tan 2 x + 4 tan x − 4 = 0
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