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Popular >

expand cos(3(pi-θ))

Solution

expand

cos (3 (π - θ))

Solution

- cos (3 θ)

Solution steps

cos (3 (π - θ))

Expand

3 (π - θ) : 3 π - 3 θ

= cos (3 π - 3 θ)

Rewrite using trig identities

= - cos (3 θ)

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Frequently Asked Questions (FAQ)

What is expand cos(3(pi-θ)) ?
The solution to expand cos(3(pi-θ)) is -cos(3θ)