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Popular >

simplify cos(y-3pi)

Solution

simplify

cos (y - 3 π)

Solution

- cos (y)

Solution steps

cos (y - 3 π)

Rewrite using trig identities

= - cos (y)

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Frequently Asked Questions (FAQ)

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