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Popular >

simplify x+9cos(x+pi)

Solution

simplify

x + 9 cos (x + π)

Solution

x - 9 cos (x)

Solution steps

x + 9 cos (x + π)

Rewrite using trig identities

= x + 9 (- cos (x))

Remove parentheses:

(- a) = - a

= x - 9 cos (x)

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Frequently Asked Questions (FAQ)

What is x+9cos(x+pi) ?
The solution to x+9cos(x+pi) is x-9cos(x)