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
Annette [7]
2 years ago
10

4. Which expression is equivalent to sin(50)º?

Mathematics
1 answer:
jasenka [17]2 years ago
3 0

Answer:

cos(400)

Step-by-step explanation:

Useful things:

Cofunction identity: sin(x)=cos(90-x)

Sine and cosine have period of 360 degrees.

So sin(50)=cos(40) by cofunction identity.

Since cosine has period of 360 degrees then cos(40)=cos(360+40).

That simplifies to cos(400).

You might be interested in
Shannon wants to find out about paying taxes this year. She visits www.mikestaxadvice.com. This information is -
Anna007 [38]

Unrealiable

If she wants to know how to pay taxes she should visit the governments webiste. This is a third party website and could give her unreliable infortmation, she should be checking with the governments website.

7 0
3 years ago
Read 2 more answers
The temperature in Scottsdale increased by 2 degrees in 2 days. If the temperature changed by the same
Vsevolod [243]

Answer:

yniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh olleh

Step-by-step explanation:yniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh ollehyniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh ollehyniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh ollehyniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era csacasccacwoh ollehyniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh ollehyniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh ollehyniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh ollehyniar hcum oot sti ereh pleh esaelp retaw eht rednu ma i uoy era woh olleh

5 0
2 years ago
What is the caputal of idaho
zavuch27 [327]

Capital of Idaho is boise this is not a math question

5 0
3 years ago
Read 2 more answers
3/9+2/9=?/9<br> Help a brother out
Ahat [919]

Answer:

5/9

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Pls pls pls pls helpppppp
pychu [463]

Answer:

$32.25

Step-by-step explanation:

$53.75 ÷ 5 = $10.75

$10.75 × 3 = $32.25

3 0
2 years ago
Read 2 more answers
Other questions:
  • Please help me answer the questions in the picture
    10·1 answer
  • What is the value of w in the equation 3/4w+8=w-7
    11·2 answers
  • Multiply and simplify: (6x + 3y)(6x − 3y)
    8·2 answers
  • Brainliest to first correct answer.
    7·2 answers
  • 3x plus 2 equal 14<br> how do make it a one step equation
    8·1 answer
  • I need help plz<br> i will mark you brainlest
    6·1 answer
  • F(x)=2x+1. If f(2)=___?<br> -5<br> -7<br> -3<br> -1
    15·1 answer
  • Pls help ill give a brainliest to the correct answer!!
    14·1 answer
  • And I also don’t know how to do this.
    9·1 answer
  • Im having a mental breakdown HELPPPP!​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!