![cman8228](/avatars/38112.jpg)
cman8228
15.03.2020 •
Mathematics
Solve the following equation.
6cos²x - 7cosx + 1 = 0, for
0° ≤ x ≤ 360°
Solved
Show answers
More tips
- L Leisure and Entertainment Choosing the Right Books to Read: Tips and Recommendations...
- L Leisure and Entertainment What can be considered an antique: defining and valuing old objects...
- B Business and Finance How to Open an Online Store? A Detailed Guide for Beginners...
- C Computers and Internet Log-in: what is it and why do you need it?...
- C Computers and Internet What is the Meaning of lol and How Did it Become Popular?...
- C Computers and Internet Clearing Cache: How to Speed Up Your Browser...
- H Health and Medicine How to Help Men Gain Weight?...
- F Family and Home How to Build a Strong Relationship with Your Child: Tips for Effective Communication...
- L Legal consultation Juvenile Justice: Who Needs It?...
- F Food and Cooking What age is appropriate for giving your child cocoa?...
Answers on questions: Mathematics
- M Mathematics Please help me Find product...
- M Mathematics Please help I’m finding angles of parallel lines with algebra...
- M Mathematics Big brain geometry person needed...
- M Mathematics For which inequality is x = 5 a solution...
- M Mathematics What two integers equal-24...
- M Mathematics Ya ll I got my math Final tomorrow, and I m scared. Any tips would be greatly appreciated! Thanks!...
- M Mathematics 8. Mrs. Towle decided exactly one week (7 days) before Christmas that she wanted to buy a puppy for her husband. Her husband said okay, but only if they would have enough...
- M Mathematics Find product Please help me...
- M Mathematics Find the slope of the line passing through (5,8) and (-4,6)...
- M Mathematics At a airport restaurant 2 sodas and 4 hamburgers...
Ответ:
For 0° ≤ x ≤ 360° we have:
x=0, 360, arccos(1/6), -arccos(1/6)
Step-by-step explanation:
Replace cos(x) by y
6y²-7y+1=0
6y²-6y-y+1=0
6y(y-1) -(y-1)=0
(y-1)(6y-1)=0
Roots:
y=1, cos(x)=1, x=0 and 360
y=1/6, cos(x)=1/6, x=arccos(1/6) and x=-arccos(1/6)
Ответ:
Step-by-step explanation:
Ответ:
39
Step-by-step explanation:
I believe that is what the answer is. If not im sorry