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Popular >

simplify cos(x+x)

Solution

simplify

cos (x + x)

Solution

cos (2 x)

Solution steps

cos (x + x)

Rewrite using trig identities

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

Rewrite using trig identities

= cos (2 x)

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Frequently Asked Questions (FAQ)

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