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Popular >

4=4cos(x)

Solution

4 = 4 cos (x)

Solution

x = 2 πn

+1

Solution steps

4 = 4 cos (x)

Switch sides

4 cos (x) = 4

Divide both sides by

4

cos (x) = 1

General solutions for

cos (x) = 1

x = 0 + 2 πn

Solve

x = 0 + 2 πn : x = 2 πn

x = 2 πn

Popular Examples

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

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

-3=39.6862600000000…cos(x)

- 3 = 39.6862600000000 \dots cos (x)

1+cos(θ)=-cos(θ)

1 + cos (θ) = - cos (θ)

2cos^2(x)-cos(-x)-1=0

2 cos^{2} (x) - cos (- x) - 1 = 0

3sec^2(u)+7tan(u)=3

3 sec^{2} (u) + 7 tan (u) = 3

Frequently Asked Questions (FAQ)

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