menu
Qammunity
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Which expression is equivalent to cos120°?
asked
Aug 23, 2016
130k
views
4
votes
Which expression is equivalent to cos120°?
Mathematics
high-school
Samara
asked
by
Samara
8.5k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
3
votes
Answer:
cos 240!
Explanation:
edge 21
YAMAMOTO Yuji
answered
Aug 24, 2016
by
YAMAMOTO Yuji
8.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
5
votes
I hope this helps you
cos120=cos(180-60)= -cos60
cos120 =cos(90+30)= sin30
Jen Zhang
answered
Aug 29, 2016
by
Jen Zhang
7.9k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Oct 3, 2018
46.1k
views
Which expression is equivalent to cos120°?
Eric Wang
asked
Oct 3, 2018
by
Eric Wang
7.7k
points
Mathematics
high-school
2
answers
3
votes
46.1k
views
asked
Dec 20, 2018
221k
views
Which expression is equivalent to cos120°?
JeffFerguson
asked
Dec 20, 2018
by
JeffFerguson
8.0k
points
Mathematics
high-school
2
answers
1
vote
221k
views
asked
Dec 7, 2019
59.9k
views
Which expression is equivalent to cos120°? ° cos240° cos300° cos420°?
Rafaelcpalmeida
asked
Dec 7, 2019
by
Rafaelcpalmeida
8.1k
points
Mathematics
high-school
2
answers
0
votes
59.9k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity