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Popular >

simplify cos(2θ+2θ)

Solution

simplify

cos (2 θ + 2 θ)

Solution

cos (4 θ)

Solution steps

cos (2 θ + 2 θ)

Rewrite using trig identities

= cos^{2} (2 θ) - sin^{2} (2 θ)

Rewrite using trig identities

= cos (4 θ)

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Frequently Asked Questions (FAQ)

What is cos(2θ+2θ) ?
The solution to cos(2θ+2θ) is cos(4θ)