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
Ostrovityanka [42]
3 years ago
5

What is cos 45º?See picture for more details ​

Mathematics
2 answers:
madreJ [45]3 years ago
7 0

Answer:

C. 1/√2

Step-by-step explanation:

cos∅ is adjacent over hypotenuse:

cos45° = 1/√2

cos45° = √2/2

Alternatively, if you learned and memorized your unit circle, cos(π/2) = √2/2

DaniilM [7]3 years ago
4 0

Answer:

C.

Step-by-step explanation:

You might be interested in
Can someone plz help me with this question
Nostrana [21]
10^2 is 10×10 which is 100
4^2 is 4×4 which is 16
so it simplifies to 100-16×2. By Order Of Operations, parentheses, exponents, multiply and divide, add and subtract 100-16×2 makes 100-32 which is 68
5 0
3 years ago
A, B & C lie on a straight line.
slamgirl [31]

Answer:

x=38

Step-by-step explanation:

6 0
2 years ago
HELP PLZ!!!!!!!!!!!!!
ArbitrLikvidat [17]
I think it is C it is like a right angle
4 0
3 years ago
(x + 1)2 + (y - 3)2 = 36<br> What is the radius?
NARA [144]

Answer:

6

Step-by-step explanation:

Any circle in the form

(x+\alpha)^2 + (y+\beta)^2 = r^2

Where r^2 is the radius squared, so

r^2=36

r=6

5 0
3 years ago
Lol please help im bad at maths ;n;
aivan3 [116]

Answer:

60

Step-by-step explanation:

You want to then multiply 5*4*3 to represent the different combinations we can make for each place. This gives us a total of 60 different possible ways that the runners can come in 1st, 2nd, and 3rd place, assuming no ties.

8 0
2 years ago
Read 2 more answers
Other questions:
  • In a bag of marbles, the ratio of white marbles to red marbles is 3:4 and the ratio of red to black marbles is 8:11. What is the
    11·2 answers
  • Fencing costs $3.25 per foot. A certain
    6·1 answer
  • Please help me!! Will give brainliest!!​
    7·1 answer
  • It takes Maya 30 minutes to solve 5 logic puzzles. At this rate, how many logic puzzles does she solve in 1 hour 30 minutes?
    13·2 answers
  • A line has a slope of 5/3. Which of the following points could this line pass through?
    5·2 answers
  • WILL AWARD BRAINLIEST PLS HELP!!
    13·2 answers
  • Matrices C and D are shown below.<br> What values of a and b will make the equation CD = I true?
    5·2 answers
  • HELP ME PLEASE I NEED HELP
    6·1 answer
  • If f(x) = 2x - 1 and g(x) = x^2 - 3x - 2, find (f + g)(x).​
    14·1 answer
  • Im trying to get everything on my overdue list done- but most of its math anyone help?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!