Register
Which values of x in the interval 0 x 360 satisfy the equation 2sin^2x+sinx-1=0?
212k views
3 votes
Which values of x in the interval 0 x 360 satisfy the equation 2sin^2x+sinx-1=0?

User Jzworkman
by
8.4k points

1 Answer

4 votes
factor first: (sinx+1)(2sinx-1)=0
sinx+1=0 or 2sinx-1=0
sinx=-1 or sinx=1/2
0≤x≤360, so x=270, or x=30 or x=150
User Ikutsin
by
8.4k points
← Prev Question Next Question →

Related questions

User Chris Mansley
asked Jun 25, 2024 74.0k views
Solve the equation sinx = 2sin(x-30) for 0≤x≤360?
Chris Mansley asked Jun 25, 2024
by Chris Mansley
7.7k points
1 answer
0 votes
74.0k views
User Ed Bayiates
asked May 10, 2017 194k views
Solve on the interval [0,2pi) (sinx-1)(2sin^2 x-5sinx+2)
Ed Bayiates asked May 10, 2017
by Ed Bayiates
8.7k points
2 answers
2 votes
194k 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!