What is cos(x-4/3 pi) ?

The solution to cos(x-4/3 pi) is -1/2 cos(x)-(sqrt(3))/2 sin(x)

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simplify cos(x-4/3 pi)

simplify

cos (x - \frac{4}{3} π)

- \frac{1}{2} cos (x) - \frac{3}{2} sin (x)

Solution steps

cos (x - \frac{4}{3} π)

Rewrite using trig identities

= - \frac{1}{2} cos (x) - \frac{3}{2} sin (x)

cot (2 x - π)

sin (arcsin (\frac{x}{2}))

cos (\frac{π}{2} y - \frac{π}{2})

cos (- 7 t)

sin (54 0^{\circ} - x)

What is cos(x-4/3 pi) ?
The solution to cos(x-4/3 pi) is -1/2 cos(x)-(sqrt(3))/2 sin(x)