1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Scorpion4ik [409]
3 years ago
8

Cos(2x) - 3cos(x) + 2= 0 ??

Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0
Ignore above
your equation is 2(cosx)^2-3cosx+1=0
use quadratic formula to get results
you will end up with
cosx=1 or cosx=1/2
so, x=0 or x=pi/3

You might be interested in
Which inequality is equivalent to this one? y-85-2 y-8+82-2+8 oy- 8+8 ​
vladimir2022 [97]

Answer:

The answer is the forth one , Y-8+2⩽-2+2

5 0
3 years ago
A vertical line has points C, E, F from top to bottom. 2 lines extend from point E. One line extends to point A and another exte
mariarad [96]

Answer:

A.D.E

I GOT IT RIGHT IN EDG

7 0
3 years ago
Read 2 more answers
Got them.... I think the war is finally over..
lisabon 2012 [21]

Answer:

LOL THAT CAT POOR CAT

Step-by-step explanation:

nothing to see here

7 0
3 years ago
What is the sum of the lengths of the shortest and longest ski trails? pls help with number 5
d1i1m1o1n [39]

Answer:

ummmmm whats the ski trails leaghts i dont have enough info

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
2. Do “average” and “mean” indicate the same thing? Explain.
Lostsunrise [7]
The mean is the average you’re used to see by adding up all numbers and divide by all the number of the numbers. The median is the middle value in the list of numbers the mode is the value that occurs most often. If no number in the list is repeated then there is no mode for the list
7 0
3 years ago
Other questions:
  • Can someone explain how to do this? i know the answer but i don't know how to work it out. Find the absolute mean deviation for
    10·1 answer
  • If something was bought at $100 how much of that was tax in Los Angeles
    7·1 answer
  • What is -3/4 + 3/8? Thanks.
    10·2 answers
  • PLEASE HELP ME!!! Thank you SO MUCH! Explain your answer
    5·1 answer
  • You are raising money by walking miles for a charity. A friend donates $25 and your cousin promises to donate $5 per mile that y
    5·2 answers
  • Simplify the following expression.<br> X^-2/3 multiplied by x^6/7
    7·1 answer
  • I think this is my last one! Will give Brainliest! DUE TODAY!!!Will give everything good and will make smartest answer WITH WORK
    12·1 answer
  • At Xcape Boardshop the price tag on the shirt says 12.58. Sales tax 7.5 of price. How much will you pay for the shirt
    15·1 answer
  • A team of researchers is testing the effectiveness of a new HPV vaccine. They randomly divide the subjects into two groups.
    10·1 answer
  • If 9p=5q which is the correct ratio of p:q
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!