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Popular >

expand (2cos(2x))^2

Solution

expand

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

Solution

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

Solution steps

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

Apply exponent rule:

(ab)^{c} = a^{c} b^{c}

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

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

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Frequently Asked Questions (FAQ)

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