en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify cos(7pi-x)

Solution

simplify

cos (7 π - x)

Solution

- cos (x)

Solution steps

cos (7 π - x)

Rewrite using trig identities

= - cos (x)

Popular Examples

simplify 2+sec((2pi)/3+x)simplify

2 + sec (\frac{2 π}{3} + x)

simplify sec(arctan(1/x))simplify

sec (arctan (\frac{1}{x}))

simplify cos(θ+pi/2)-sin(θ)-1 simplify

cos (θ + \frac{π}{2}) - sin (θ) - 1

simplify 2/(cos(2s-3))+pi simplify

\frac{2}{cos ( 2 s - 3 )} + π

simplify (sin(t+(3pi)/4))^2 simplify

(sin (t + \frac{3 π}{4}))^{2}

Frequently Asked Questions (FAQ)

What is cos(7pi-x) ?
The solution to cos(7pi-x) is -cos(x)