What is simplify-cos(3+pin) ?

The solution to simplify-cos(3+pin) is -cos(3)(-1)^n

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify-cos(3+pin)

simplify

- cos (3 + πn)

- cos (3) (- 1)^{n}

Solution steps

- cos (3 + πn)

Use the basic trigonometric identity:

cos (x + nπ) = (- 1)^{n} cos (x)

= - (- 1)^{n} cos (3)

a cos (\frac{- 4}{3})

(1 - cos^{2} (x)) sin (x) d x

2 sec (x + π)

tan (arccos (v))

tan (3 0^{\circ} - θ)

What is simplify-cos(3+pin) ?
The solution to simplify-cos(3+pin) is -cos(3)(-1)^n