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Popular >

simplify sqrt(4cos^2(x))

Solution

simplify

4 cos^{2} (x)

Solution

2 cos (x)

Solution steps

4 cos^{2} (x)

Apply radical rule:

assuming

a \geq 0, b \geq 0

= 4 cos^{2} (x)

4 = 2

= 2 cos^{2} (x)

Apply radical rule:

assuming

a \geq 0

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

= 2 cos (x)

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Frequently Asked Questions (FAQ)

What is sqrt(4cos^2(x)) ?
The solution to sqrt(4cos^2(x)) is 2cos(x)