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Popular >

simplify 2cos(pi+x)

Solution

simplify

2 cos (π + x)

Solution

- 2 cos (x)

Solution steps

2 cos (π + x)

Rewrite using trig identities

= 2 (- cos (x))

Remove parentheses:

(- a) = - a

= - 2 cos (x)

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Frequently Asked Questions (FAQ)

What is 2cos(pi+x) ?
The solution to 2cos(pi+x) is -2cos(x)