menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Trig help ...............
Ask a Question
Questions
Unanswered
Tags
Ask a Question
Trig help ...............
asked
May 15, 2018
47.0k
views
3
votes
Trig help ...............
Mathematics
high-school
Nax
asked
by
Nax
8.3k
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
5
votes
Answer: D
Explanation:
Acharuva
answered
May 18, 2018
by
Acharuva
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
3
votes
letter D
A = 135°
B = 30°
cosAcosB - sinAsinB = cos(A+B)
cos(135°+30°)
cos(165°)
Ezequias Dinella
answered
May 21, 2018
by
Ezequias Dinella
8.9k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
No related questions found
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
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org