Register
Cos(2θ) = 5 sin(θ) − 2
8.1k views
3 votes
Cos(2θ) = 5 sin(θ) − 2

User Wesly
by
8.6k points

1 Answer

2 votes
Cos(2
cos2 \alpha = 1-sin^(2) \alpha.

so...


1-sin^2\alpha = 5sin\alpha -2 sin^2\alpha + 5sin\alpha -3 = 0

Is that what you are trying to do? Find the zeros?
User Jackyesind
by
7.1k points
← Prev Question Next Question →

Related questions

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)
Link Copied!