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Popular >

simplify sqrt(1+cos(2x))

Solution

simplify

1 + cos (2 x)

Solution

2 cos (x)

Solution steps

1 + cos (2 x)

Simplify

1 + cos (2 x) : 2 cos^{2} (x)

= 2 cos^{2} (x)

Apply radical rule:

assuming

a \geq 0, b \geq 0

= 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(1+cos(2x)) ?
The solution to sqrt(1+cos(2x)) is sqrt(2)cos(x)