Register
How to find cos2theta
43.9k views
2 votes
How to find cos2theta

How to find cos2theta-example-1
User Prakash Chennupati
by
8.6k points

2 Answers

6 votes
These are the double angle formulas. What the other person mentioned above is the sum and difference formula.
How to find cos2theta-example-1
User Trickbz
by
8.7k points
4 votes
You can use the sum and difference identities which for cosine is cos(a+b)= cosacosb-sinasinb
User Rooz
by
8.4k points
← Prev Question Next Question →

Related questions

User Blake Mills
asked May 23, 2024 139 views
Cos2theta + sin2theta = 0, solve for theta
Blake Mills asked May 23, 2024
by Blake Mills
8.6k points
1 answer
2 votes
139 views
User Rune Vejen Petersen
asked Nov 13, 2017 94.2k views
Find the derivative of cos2theta.
Rune Vejen Petersen asked Nov 13, 2017
by Rune Vejen Petersen
8.1k points
1 answer
2 votes
94.2k views
User Deuberger
asked May 3, 2018 139k views
Find all solution of cos2theta-2sintheta-1=0 express in terms of sin theta
Deuberger asked May 3, 2018
by Deuberger
8.2k points
1 answer
3 votes
139k 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 =
What is .725 as a fraction
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!