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
skelet666 [1.2K]
2 years ago
6

1. Resolve, em IR as equações seguintes:

Mathematics
1 answer:
WINSTONCH [101]2 years ago
5 0

Answer:

Logo, no intervalo [0°,360°] as soluções da equação sen2x=–senx . São: . 0°,120° ... k∈Z . S={x∈IR: X=(π\2)+2kπ , k∈Z } . b) arccos(2x²–1)=2arccos(1/2) .

Step-by-step explanation:

i know it

You might be interested in
How do i solve x+y=2?
Aliun [14]
It’s unsolvable with out more context. What’s the rest of the problem.
8 0
3 years ago
Read 2 more answers
Solve -39 4/9 - (-10 2/9) - (18 2/9)
tatyana61 [14]
12850/27
Sorry that’s a really big number
7 0
3 years ago
If a car averages 22.07 miles per gallon, how many miles would you expect to drive on 13.243 gallons of gas
DiKsa [7]
Distance = 13.243 * 22.07= 292.27miles
4 0
4 years ago
Find the slope of the line that passes through (-10, -52) and (56, -37).
hichkok12 [17]
15/66 I think you might be able to simplify
5 0
2 years ago
1.88 x 10^6/ 2000<br> ANSWER IN SCIENTIFIC NOTATION
Otrada [13]
Scientific Notation:
2.01445629 • 10^0
Expanded Form:
2.01445629
7 0
3 years ago
Other questions:
  • A gumball machine has 330 red gumballs. If the red gumballs are 75% of the total number of gumballs, how many gumballs are in th
    15·1 answer
  • What is the equation of the line that passes through (4, 3) and (-4, -1)?
    15·1 answer
  • Answer all these guestions corectly and i will be so thankfull and will mark u brainiest.
    8·2 answers
  • PLZ I NEED HELP FAST
    15·2 answers
  • Based on the given information, determine which sides of quadrilateral ABCD must be parallel.
    10·1 answer
  • Javier says all odd numbers greater than 2 and less than 20 are prime find an odd number greater than 2 and less than 20 that is
    8·1 answer
  • Since the enactment of a smoking ban in a particular​ city, the number of smokers has slowly declined. Statistics show that the
    10·1 answer
  • Solve graphically: 2x - y = 7 and x - 2y = 5.
    12·1 answer
  • Helppppppppppppppppppppppppppp the question is post on my page
    14·1 answer
  • How do I find the density? Harold is a woodworker and is interested in finding the density of two different types of wood. He bo
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!