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Popular >

cos^2(x)-cos(x)=2

Solution

cos^{2} (x) - cos (x) = 2

Solution

x = π + 2 πn

+1

Solution steps

cos^{2} (x) - cos (x) = 2

Solve by substitution

cos (x) = 2, cos (x) = - 1

cos (x) = 2 :

No Solution

cos (x) = - 1 : x = π + 2 πn

Combine all the solutions

x = π + 2 πn

Popular Examples

sin (x) = 0.67

sin (x) = 0.69

4cos^2(x)-4=15cos(x)

4 cos^{2} (x) - 4 = 15 cos (x)

(cos(θ)-1)sin(θ)=0

(cos (θ) - 1) sin (θ) = 0

sin (a) = 0

Frequently Asked Questions (FAQ)

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