Register
Find all solutions to 5cosθ = 3cosθ - 1.
102k views
3 votes
Find all solutions to 5cosθ = 3cosθ - 1.

User Mark Hannel
by
7.5k points

1 Answer

2 votes
hello :
5cosθ = 3cosθ - 1.
5cosθ - 3cosθ = 1.
2cosθ =1
cosθ =1/2
all solutions :
cosθ =cosπ/3
all solutions :
θ =π/3 +2kπ or θ = - π/3 +2kπ ....k in Z

User PSchn
by
8.1k points
← Prev Question Next Question →

Related questions

User Carlos Daniel
asked Mar 25, 2017 216k views
Find the length of the cardioid r=5+5cosθ.
Carlos Daniel asked Mar 25, 2017
by Carlos Daniel
8.3k points
1 answer
0 votes
216k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
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)
Link Copied!