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Popular >

expand cos(2(pi-θ))

Solution

expand

cos (2 (π - θ))

Solution

cos (2 θ)

Solution steps

cos (2 (π - θ))

Expand

2 (π - θ) : 2 π - 2 θ

= cos (2 π - 2 θ)

Rewrite using trig identities

= cos (2 θ)

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Frequently Asked Questions (FAQ)

What is expand cos(2(pi-θ)) ?
The solution to expand cos(2(pi-θ)) is cos(2θ)