ahanifpk ahanifpk

01-06-2020
Mathematics

contestada

BRAINLIEST!!!
2. Use the unit circle to find the value of cot (–90°).

BRAINLIEST 2 Use the unit circle to find the value of cot 90 class=

Respuesta :

jimrgrant1 jimrgrant1

01-06-2020

Answer:

cot(- 90)° = 0

Step-by-step explanation:

Using the identity

cot x = [tex]\frac{cosx}{sinx}[/tex] , then

cot(- 90)° = [tex]\frac{cos(-90)}{sin(-90)}[/tex] = [tex]\frac{0}{-1}[/tex] = 0

Answer Link

Otras preguntas

Which one of the following is an example of a universal theme? rice: everyone has to eat to survive World War II: it involved countries around the globe Vietnam

which set of numbers can represent lengths of the sides of a triangle? A. 1,3,4 B. 3,5,8 C.4,4,9 D. 5,7,9

The shadow of a groundhog ( or anything else ) is determined what?

Just a few more, help??????????

The company started when it acquired $38,000 cash by issuing common stock. Purchased a new cooktop that cost $14,200 cash. Earned $23,400 in cash revenue. Paid

2) Change the sentences into (i) negative and (ii)interrogative:[5x2=10]a) She was dancing on the stage.b) He will bring a book.c) They have sold a computer.d)

Domain and range again pls :)

what is -5/3 as an equivalent fraction

Perform the following operation and express the answer in scientific notation. 7.0x10^3 x 1.1x10^7

A summary of an informational text should contain a)a list of the reader’s opinions. b)the same wording as the original text. c)definitions of important vocabul