Use substitution to determine whether the given x-value is a solution of the equation: cos x = -1/2, x = 2π/3.

Q: Find all solutions between -2π and 2π of the equation:  Cos (θ) =  √3 / 2

A: We use the following: If Cos (θ)  = cos(α) [ 0 ≤ α ≤π ]      ...(i) then   θ = 2nπ ± α   ,where n is…

Q: Solve for x: 6 Cos +7Sin x -8

A:

Q: At an amusement park, the pendulum ride's movement from its starting position in meters can be…

A: Given :

Q: Eliminate the arbitrary constant from the given equation: y=ce2x cos3x +C2e2Xsin3x

A: The rule for eliminating arbitrary constants from a given equation:  As a rule, one requires n+1…

Q: Z2 = V3 + i

A: NOTE : As per the Bartleby only one method is allowed . To find :  Z2=3+ι

Q: Solve the equation: dy dx - (cot x) · y = (cosec x) y

A:

Q: for 4Cos2x=3.7 s2x +

A: Please refer to the image below

Q: sin 0 = sin 2e %3D T 3n 5T 1ln A) 3 4 3 6 5T It, 3 B) 0. 3 7n 11T C) {0, T} D) 0, 6 6 6. 6.

A: We will simply  the equation first and then find values of theta that satisfy the equation

Q: CoS 2n du.

A: