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
katovenus [111]
3 years ago
5

Find cos 2α; the angle α is in the fourth quadrant, and sin α = -0.45. Which double-angle identity should you use?

Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

Answer:

it is the last one

Step-by-step explanation:

me big brain

You might be interested in
The product of 579 and 28 is closet to
Katarina [22]

Answer: 16, 212

Step-by-step explanation:

Product means multiplication

Therefore, multiply 579 by 28 by punching the two numbers into a calculator:

579 x 28 = 16,212

I hope this answers your question.

3 0
3 years ago
The corner store sales peaches at a rate of three dollars per peach. If Vivian has $12 how many peach’s can Vivian buy?
mafiozo [28]

Answer:

4 peaches

Step-by-step explanation:

12/3=4

8 0
3 years ago
Enter the coordinates of the verticals of (R-y-axis) R(90,0) (QRST)
kolezko [41]
Q=(1,3)
R=(3,3)
S=(2,0)
T=(-2,-1)
8 0
3 years ago
(12 - 5)2 + (83 - 9x6)
Lesechka [4]

Answer:

78

Step-by-step explanation:

Solve by PEMDAS.

Parentheses first.

12-5 is 7 and 9x6 is 54, 83-54 is 29.

(7)^2+(29)

Exponent next,

49+29

add them up and you get 78.

Hope this helps! Hit the crown if you want.

#Team Rainbows!

3 0
3 years ago
Read 2 more answers
Use mental math to find the difference.<br> 532-116
ExtremeBDS [4]

Answer:

416

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Suppose a population consists of 5000 people. Which of the following numbers of members of the population being surveyed could r
    9·2 answers
  • Find the sum of the first 6 terms of the series 3-6+12-24+
    10·2 answers
  • 36.78 divided by 2.4 <br> Please show all work.
    15·2 answers
  • How do you solve 2x&gt;4x-6
    13·2 answers
  • Graph a line that is perpendicular to the line y = −3x + 2 and has a y-intercept of −6.
    11·1 answer
  • PLEASE HELP, IT'S ARGENT!
    8·1 answer
  • 9 &gt;d, if d=3. It will mean a lot to me if you could answer it
    13·1 answer
  • Katelin is the pastry chef at the Brown Palace Hotel. She is making scones for their afternoon tea. Her recipe serves 6 people,
    8·1 answer
  • matical Literacy Finance and Data Handling was determined. Explain why the bank omitted some digits from the account numbe state
    13·1 answer
  • Please help ASAP I need done. Thanks
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!