What is 1/2 (-cos(x^2+pi)) ?

The solution to 1/2 (-cos(x^2+pi)) is 1/2 cos(x^2)

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simplify 1/2 (-cos(x^2+pi))

simplify

\frac{1}{2} (- cos (x^{2} + π))

\frac{1}{2} cos (x^{2})

Solution steps

\frac{1}{2} (- cos (x^{2} + π))

Rewrite using trig identities

= \frac{1}{2} (- (- cos (x^{2})))

Remove parentheses:

(- a) = - a, - (- a) = a

= \frac{1}{2} cos (x^{2})

cot (- x) cot (\frac{π}{2} - x)

4 cos (300 t - 3 0^{\circ})

6 tan (2 x - π)

tan (arccos (\frac{r}{6}))

- t sin (- 3 t) d t