What is the general solution for 2cos^2(x)-5cos(x)+3=0 ?

The general solution for 2cos^2(x)-5cos(x)+3=0 is x=2pin

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2cos^2(x)-5cos(x)+3=0

2 cos^{2} (x) - 5 cos (x) + 3 = 0

x = 2 πn

Solution steps

2 cos^{2} (x) - 5 cos (x) + 3 = 0

Solve by substitution

cos (x) = \frac{3}{2}, cos (x) = 1

cos (x) = \frac{3}{2} :

No Solution

cos (x) = 1 : x = 2 πn

Combine all the solutions

x = 2 πn

2 sin^{3} (x) = 0

csc (x) = - 2

6 cos (A) + 18 = 0

csc (θ) = \frac{5}{2}

sin (θ) + 3 = 5 sin (θ)

What is the general solution for 2cos^2(x)-5cos(x)+3=0 ?
The general solution for 2cos^2(x)-5cos(x)+3=0 is x=2pin