Use an Addition or Subtraction Formula to simplify the equation. V3 cos(0) cos(20) + sin(0) sin(20) 2 11n + 2nk, 6. + 2nk 6 Find all solutions in the interval [0, 2x). (Enter your answers as a comma-separated list.)

Q: 3. Solve the following equation. Write the general form of the solution. sin(50) + sin(30) = 0 %3D

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Q: Use a graphing calculator to determine whether the equation cos x = 5x 2 -8x 4 has any solutions.

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Q: Find the solution. (D* + 1802 + 81)y = 0 Ay = (c, + c,)cosår + (cz+c,)sin3r. ® y = (c, + cx)cos3r +…

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Q: Part 2. Solve 2 cos² (0) + sin(0) = 1.

A: tanx=3, -2π≤ x≤2π

Q: sin (2x) = 4 cos(x)

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Q: sinx

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