What is cos(2x-(2pi)/3) ?

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

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simplify cos(2x-(2pi)/3)

simplify

cos (2 x - \frac{2 π}{3})

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

Solution steps

cos (2 x - \frac{2 π}{3})

Rewrite using trig identities

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

2.5 cos (1.4 t + 0.7)

4 - (4 cos^{2} (x))

\frac{sin ( x )}{cos ( x )} - ln (x)

tan (θ) + tan (θ + π) + tan (θ + 2 π)

a csc (- 1)

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