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Popular >

simplify cos(3pi+x)

Solution

simplify

cos (3 π + x)

Solution

- cos (x)

Solution steps

cos (3 π + x)

Rewrite using trig identities

= - cos (x)

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Frequently Asked Questions (FAQ)

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