en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Trigonometry >

-5cot(pi/2)

Solution

- 5 cot (\frac{π}{2})

Solution

0

Solution steps

- 5 cot (\frac{π}{2})

Use the following trivial identity:

cot (\frac{π}{2}) = 0

cot (\frac{π}{2})

cot (x)

periodicity table with

πn

cycle:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} cot (x) \mp \infty 31 \frac{3}{3} 0 - \frac{3}{3} - 1 - 3

= 0

= - 5 \cdot 0

Simplify

= 0

Popular Examples

(cos(50))/(cos(30))

(1+cos(20)-sin(20))/(1-cos(20)-sin(20))

arccos(-1)+arctan(sqrt(3))

Frequently Asked Questions (FAQ)

What is the value of -5cot(pi/2) ?
The value of -5cot(pi/2) is 0