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Popular >

expand cos(2(t-2pi))

Solution

expand

cos (2 (t - 2 π))

Solution

cos (2 t)

Solution steps

cos (2 (t - 2 π))

Expand

2 (t - 2 π) : 2 t - 4 π

= cos (2 t - 4 π)

Rewrite using trig identities

= cos (2 t)

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Frequently Asked Questions (FAQ)

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