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Popular >

simplify cos(180+a)

Solution

simplify

cos (18 0^{\circ} + a)

Solution

- cos (a)

Solution steps

cos (18 0^{\circ} + a)

Rewrite using trig identities

= - cos (a)

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Frequently Asked Questions (FAQ)

What is cos(180+a) ?
The solution to cos(180+a) is -cos(a)