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

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

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

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

simplify

2 cos (x - \frac{2 π}{3})

- cos (x) + 3 sin (x)

Solution steps

2 cos (x - \frac{2 π}{3})

Rewrite using trig identities

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

Simplify

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

= - cos (x) + 3 sin (x)

r cos (θ - \frac{π}{6})

sin (t - \frac{1}{4} π)

sin (π t) \cdot sec (π t)

cos (arccos (v))

cos (\frac{π}{4} + θ)

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