unknownm546 unknownm546

30-12-2020
Mathematics

contestada

find the value of trignometric function:
cos 2pie÷3
cos (-450°) fast please

Respuesta :

ChoiSungHyun ChoiSungHyun

30-12-2020

Step-by-step explanation:

cos2π/3 = -cosπ/3 = -0.5.

cos(-450°) = cos450° = cos90° = 0.

Answer Link

Otras preguntas

What territories did Cyrus's successors add to the Persian Empire?

A toy store is ordering 3,000 remote control cars. The store can order the cars in Sets of 10. How many sets of 10 does the store need to order.

About how many miles can a bumblebee travel in one minute

True or False During the Gilded age, most immigrants came to America from England to Ireland? Where did most immigrants arrive from America? a. Angel Island

The sum of 2 and the square of a number r

Geologists may choose to lick a mineral to identify it. What mineral is the geologist expecting with this test?

How did the railroads impact the relationship between eastern cities and the Great Plains?

In the early days of germ theory, contagious diseases were thought to be caused by fungi or bacteria. In the 1890s, Dmitri Ivanovski filtered extracts from dise

Which describes the Aztec Empire before it was conquered? A. a small, complex civilization b. a small, primitive civilization c. a large, complex civilization

The artist who drew the political cartoon of the Brooks-Sumner Affair, supported __________.