en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

cos(2pi/4)pi/4

Solution

cos (2 \cdot \frac{π}{4}) \cdot \frac{π}{4}

Solution

0

Solution steps

cos (2 \cdot \frac{π}{4}) \frac{π}{4}

Rewrite using trig identities:

cos (2 \cdot \frac{π}{4}) = 0

= 0 \cdot \frac{π}{4}

Simplify

= 0

Popular Examples

cos((7pi)/9)+tan(7/15 pi)sin(15)

cos (\frac{7 π}{9}) + tan (\frac{7}{15} π) sin (1 5^{\circ})

(4.88*10^{-7})/(sin(1))

\frac{4.88 \cdot 1 0 ^{- 7}}{sin ( 1 ^{\circ} )}

arcsin (0.8238)

(sin(75)*7.35)/(sin(35))

\frac{sin ( 7 5 ^{\circ} ) \cdot 7.35}{sin ( 3 5 ^{\circ} )}

tan((9pi)/(10))

tan (\frac{9 π}{10})

Frequently Asked Questions (FAQ)

What is the value of cos(2*pi/4)*pi/4 ?
The value of cos(2*pi/4)*pi/4 is 0