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
KATRIN_1 [288]
3 years ago
15

I need to turn this in in 2 hours please hurry

Mathematics
1 answer:
Nuetrik [128]3 years ago
6 0

Answer:

  2) 162°, 72°, 108°

  3) 144°, 54°, 126°

Step-by-step explanation:

1) Multiply the equation by 2sin(θ) to get an equation that looks like ...

   sin(θ) = <some numerical expression>

Use your knowledge of the sines of special angles to find two angles that have this sine value. (The attached table along with the relations discussed below will get you there.)

____

2, 3) You need to review the meaning of "supplement".

It is true that ...

  sin(θ) = sin(θ+360°),

but it is also true that ...

  sin(θ) = sin(180°-θ) . . . . the supplement of the angle

This latter relation is the one applicable to this question.

__

Similarly, it is true that ...

  cos(θ) = -cos(θ+180°),

but it is also true that ...

  cos(θ) = -cos(180°-θ) . . . . the supplement of the angle

As above, it is this latter relation that applies to problems 2 and 3.

You might be interested in
Help meh pls!! plsss
xxMikexx [17]

The answer is C.379---------

6 0
3 years ago
Read 2 more answers
Jon Kent's parents subtracted $3,500 from their adjusted gross income when they listed him as an exemption on their tax return .
NeX [460]

Answer: 3,917

Step-by-step explanation:

3 0
3 years ago
What is the recursive rule for the sequence 2, -1, 1/2 , -1/4
Helga [31]

Answer:

a_n=\frac{-1}{2}a_{n-1}

a_1=2

Step-by-step explanation:

The recursive rule is a term defined in terms of other terms in the sequence.

The is a geometric sequence because it has a common ratio.

The common ratio can be found by dividing a term by previous term.

For example, all of these are equal:

\frac{-1}{2}

\frac{\frac{1}{2}}{-1}

\frac{\frac{-1}{4}}{\frac{1}{2}}

They are all equal to \frac{-1}{2}.

So we are saying:

\frac{\text{term}}{\text{previous term}}}=\frac{-1}{2}

More formally:

\frac{a_n}{a_{n-1}}=\frac{-1}{2}.

Multiply both sides by a_{n-1}:

a_n=\frac{-1}{2}a_{n-1}

When doing recursive form, you need to state a term of the sequence (or more depending on the recursive form you have).

So the first term is 2.

So the full thing for the answer is:

a_n=\frac{-1}{2}a_{n-1}

a_1=2

8 0
3 years ago
50 km/h east is an example of
gladu [14]
Acceleration is the answer
3 0
2 years ago
Rewrite with only sin x and cos x.
amm1812

Answer:

  • sin2x-cosx
  • 2sinx.cosx -cosx
  • cosx (2sinx-1)
5 0
2 years ago
Other questions:
  • What is a closed line of credit? a. A line of credit with a set maximum credit limit. b. A line of credit with no interest rate.
    8·2 answers
  • joe buys a new stereo for $875 and pays for it over two years with 6.5% simple interest. what is his monthly payment?
    14·1 answer
  • I need help finding 'x'
    9·1 answer
  • Hello! I need help with my math homework. Will someone tell me help me? “ You have 6 donuts and you want to give 2/3 of them to
    5·2 answers
  • Order the following values from least to greatest: 22.4, -28, 27, -17
    9·2 answers
  • You are considering buying a piece of industrial equipment to automate a part of your production process. This automation will s
    14·1 answer
  • 6.
    8·1 answer
  • What is the solution to this equation?<br> 4(3x + 5) = 5(x + 4) + 7x
    10·1 answer
  • Explain, with at least 2 complete sentences, how to determine if a graph is a function or not.
    9·1 answer
  • Help pls number 2! SHOW WORK IF NEEDED ALSO WILL GUVE BRAINLIST!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!