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Popular >

simplify 1-2cos(3x-pi)

Solution

simplify

1 - 2 cos (3 x - π)

Solution

1 + 2 cos (3 x)

Solution steps

1 - 2 cos (3 x - π)

Rewrite using trig identities

= 1 - 2 (- cos (3 x))

Apply rule

- (- a) = a

= 1 + 2 cos (3 x)

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Frequently Asked Questions (FAQ)

What is 1-2cos(3x-pi) ?
The solution to 1-2cos(3x-pi) is 1+2cos(3x)