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Popular >

simplify 1+3(-cos(3x))^2

Solution

simplify

1 + 3 (- cos (3 x))^{2}

Solution

1 + 3 cos^{2} (3 x)

Solution steps

1 + 3 (- cos (3 x))^{2}

Apply exponent rule:

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

if

n

is even

(- cos (3 x))^{2} = cos^{2} (3 x)

= 1 + 3 cos^{2} (3 x)

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Frequently Asked Questions (FAQ)

What is 1+3(-cos(3x))^2 ?
The solution to 1+3(-cos(3x))^2 is 1+3cos^2(3x)