What is the general solution for 4cos(x)-3cos(x)-1=0 ?

The general solution for 4cos(x)-3cos(x)-1=0 is x=2pin

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4cos(x)-3cos(x)-1=0

4 cos (x) - 3 cos (x) - 1 = 0

x = 2 πn

Solution steps

4 cos (x) - 3 cos (x) - 1 = 0

Simplify

4 cos (x) - 3 cos (x) - 1 : cos (x) - 1

cos (x) - 1 = 0

Move

1

to the right side

cos (x) = 1

General solutions for

cos (x) = 1

x = 0 + 2 πn

Solve

x = 0 + 2 πn : x = 2 πn

x = 2 πn

3 sin (6 0^{\circ} - \frac{3 x}{4}) = 5 sin (\frac{3 x}{4} - 3 0^{\circ})

tan (u) = \frac{3}{3}

\frac{sin ( θ )}{60} = \frac{sin ( 8 0 ^{\circ} )}{280.87}

5.63 = 11 cos (\frac{2 π}{T} 0.137)

2 cos (x) - sin (x) = 2

What is the general solution for 4cos(x)-3cos(x)-1=0 ?
The general solution for 4cos(x)-3cos(x)-1=0 is x=2pin