en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify cos(3pi-x)

Solution

simplify

cos (3 π - x)

Solution

- cos (x)

Solution steps

cos (3 π - x)

Rewrite using trig identities

= - cos (x)

Popular Examples

simplify tan(pi/2-2x)simplify

tan (\frac{π}{2} - 2 x)

simplify cos^2(5x+pi/3)simplify

cos^{2} (5 x + \frac{π}{3})

simplify 1/(tan(pi/2-x))simplify

\frac{1}{tan ( \frac{π}{2} - x )}

simplify cos(-x-pi)simplify

cos (- x - π)

simplify 2cos^2(3x-pi/4)-1 simplify

2 cos^{2} (3 x - \frac{π}{4}) - 1

Frequently Asked Questions (FAQ)

What is cos(3pi-x) ?
The solution to cos(3pi-x) is -cos(x)