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Popular >

simplify cos^2(180+x)

Solution

simplify

cos^{2} (18 0^{\circ} + x)

Solution

cos^{2} (x)

Solution steps

cos^{2} (18 0^{\circ} + x)

Rewrite using trig identities

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

Apply exponent rule:

(- a)^{n} = a^{n},

if

n

is even

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

= cos^{2} (x)

Popular Examples

simplify cos(30+x)simplify

cos (3 0^{\circ} + x)

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sin (3 0^{\circ} + θ)

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tan (27 0^{\circ} + 2 A)

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sin (500 t + π)

Frequently Asked Questions (FAQ)

What is cos^2(180+x) ?
The solution to cos^2(180+x) is cos^2(x)