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Popular >

simplify 1+cos^2(x-180)

Solution

simplify

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

Solution

1 + cos^{2} (x)

Solution steps

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

Rewrite using trig identities

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

Apply exponent rule:

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

if

n

is even

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

= 1 + cos^{2} (x)

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Frequently Asked Questions (FAQ)

What is 1+cos^2(x-180) ?
The solution to 1+cos^2(x-180) is 1+cos^2(x)