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
jolli1 [7]
3 years ago
12

cos2x=____. Check all that apply. A. 1-2sin^2 x. B. 2sin^2 x-1. C. sin^2 x-cos^2 x. D. cos^2 x-sin^2 x

Mathematics
2 answers:
g100num [7]3 years ago
7 0
         cos 2 x = cos² x - sin² x = 1 - sin² x - sin² x = 1 - 2 sin² x.
         Answer: A ) 1 - sin² x and D ) cos² x - sin² x 
       
 Thank you.
Gnom [1K]3 years ago
3 0

Answer:

A & D

1-2sin^2x

cos^2x-sin^2x

Step-by-step explanation:

You might be interested in
Witch mixed number shows the result of 89 divided by<br> 35
KATRIN_1 [288]

Answer:

89/35 = 2 and 19/35

Step-by-step explanation:

7 0
3 years ago
(Just the first question) please help!
lara31 [8.8K]

Answer:

Altitude: 11 1/4

Step-by-step explanation:

-3 1/4 x 9 = -29 1/4

Leftover from 35: 5 3/4 + 5 1/2 = 11 1/4

Good luckkk!!

5 0
3 years ago
Help me plz and thank you
Kay [80]
The second one - 6/21
3 0
3 years ago
Help me please help help help help
Elena L [17]

Answer:

area of trapezium:

a+b divided by 2, times by the height.

so its 8+20=28.

28/2=14.

14*14=196.

area=196

Step-by-step explanation:

4 0
2 years ago
The SKELD ship has 186 crewmates divided as evenly as possible into 8 teams. How many crewmates are in each team? Show your work
galben [10]

Answer:

There is 23 crewmates in a group i got this by dividing 186x8 but this number is uneven so i rounded :)

7 0
3 years ago
Other questions:
  • What isbthe estimate of 27,865
    9·2 answers
  • Dami works 4 times as many hours per week as Cooler. Together they work a total of 49 h One week. Find the number of hours worke
    13·1 answer
  • Newberg is 8 kilometers due north of the airport, and summer field is 15 kilometers due east of the airport. How far apart are n
    13·1 answer
  • In need of major help right now..<br><br>(I answered B)
    7·2 answers
  • How can you find the number of inches in one mile
    7·1 answer
  • 30 points<br><br> What is the opposite of cosine called and what is its triangle ratio
    11·1 answer
  • 85 times 1/5 is the same as 85 divided by
    8·2 answers
  • Anyone else bored or want to vent?​
    5·1 answer
  • Find the nth term for the sequence:<br> 16, 43, 88, 151, 232<br> Un =
    15·1 answer
  • A sub sandwich shop offers 22 toppings to choose from. How many ways could a person choose a 4 topping sandwich
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!