Register

Find the value of cos 40° + cos 80° + cos 160° ​please answer this question help!!!! everyone

Find the value of cos 40° + cos 80° + cos 160° ​please answer this question help!!!! everyone
184k views
3 votes
Find the value of cos 40° + cos 80° + cos 160°

​please answer this question help!!!! everyone

User Starthis
by
7.3k points

1 Answer

5 votes

Answer:

0

Explanation:

Cos 40 = 0.7660

cos80=0.1736

cos160=-0.9396

0.7660+0.1736+-0.9396

0.9396-0.9396

=0

User Finley Adams
by
8.2k points
← Prev Question Next Question →

Related questions

User Aleko
asked Aug 24, 2018 36.8k views
In the above figure, ∠AOB = 80°. What does ∠ACB equal? A. 80° B. 10° C. 160° D. 40°
Aleko asked Aug 24, 2018
by Aleko
7.0k points
1 answer
0 votes
36.8k views
User TimothePearce
asked Jul 9, 2019 67.4k views
In the above figure, ∠AOB = 80°. What does ∠ACB equal? A. 10° B. 160° C. 80° D. 40°
TimothePearce asked Jul 9, 2019
by TimothePearce
8.2k points
1 answer
0 votes
67.4k 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

How do you can you solve this problem 37 + y = 87; y =
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)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!