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
bonufazy [111]
3 years ago
11

Why is the answer negative?

Mathematics
1 answer:
BaLLatris [955]3 years ago
4 0

Step-by-step explanation:

cos \: x =  \frac{3}{5}  =  \frac{x}{y}  \\  \implies \: x = 3 \:  \: and \:  \: r = 5 \\    \because \:  {y}  =   \pm\sqrt{ {r}^{2} -  {x}^{2}  }  \\  =  \pm\sqrt{ {5}^{2}  -  {3}^{2} }  \\  =  \pm\sqrt{25 - 9}  \\  = \pm \sqrt{16}  \\ \therefore \: y  = \pm4 \\  \because \: x \: lies \: in \:  {4}^{th}  \: quadrant \\ \therefore \: y  = - 4 \\  \\ \because \: sin \: x  = \frac{y}{r}  \\  \\ \huge \red{ \boxed{ \therefore \: sin \: x  = \frac{ - 4}{5}}}  \\  \\ \because \: tan \: x  = \frac{y}{x}  \\  \\  \huge \purple{ \boxed{\therefore \: tan \: x  = \frac{ - 4}{3} }}

You might be interested in
Which is true about the functional relationship shown in the graph?
Snowcat [4.5K]
We need a picture of the graph
8 0
3 years ago
Verify whether the indicated numbers are zeroes of their corresponding polynomials.
Mashcka [7]

Answer:

  • No, incorrect

Step-by-step explanation:

<u>Given</u>

  • Q(s) = -4s^3 + 7s^2 - 24;
  • s = -4 and 1

<u>Verifying zeroes</u>

Q(-4) =

  • -4(-4)^3 + 7(-4)^2 - 24 =
  • 256 + 112 - 24 =
  • 344
  • Incorrect as 344 ≠ 0

Q(1) =

  • -4(1)^3 + 7(1)^2 - 24 =
  • -12 + 7 - 24 =
  • -29
  • Incorrect as -29 ≠ 0

8 0
3 years ago
Which graph shows the system of equations 4x+y=3 and 2x-3y=3?
dmitriy555 [2]
The 2nd one is the right one.!
5 0
3 years ago
Y+4=0 what is the table value​
Ann [662]

Answer:

negative 4 (-4)+4=0

7 0
3 years ago
In what real-world scenario do we use systems of equations?
prohojiy [21]

The systems of equations are known to be complex. We often use systems of equations in real-world scenario such as when calculating or thinking if one will make more money at one job than the other, here we look into variables such as wages, benefits and commissions, etc.

<h3>What twenty first century tasks systems of equations handles?</h3>

They  are used to calculate the amount of tax that is charge to people. They also help man to measure and understand the real- world situations and happenings.

The field or career that Equations are known to be widely used are the engineering profession. Chemical engineers, civil engineers, electrical engineers, etc. often uses it in construction of building, lighting a place, etc.

The Systems of equations are often applied in the real world by economists and entrepreneurs to known the time of equality of supply and demand.

Learn more about systems of equations from

brainly.com/question/14323743

7 0
3 years ago
Other questions:
  • PLEASE HELP ME!!!!!!!!!
    10·1 answer
  • What is three divided by negative one hundred twenty five
    13·1 answer
  • Mr. Castro gave his daughter 300 pesos on her 10th birthday and intends to increase this by 200 pesos every year. How will the d
    8·1 answer
  • If a bicyclist is traveling at a speed of 10 km/h, he will be late by 1 hour. If he will travel at a speed of 15 km/h, then he w
    13·1 answer
  • The cost of in-state tuition at the University of Florida is $6,380 and is increasing at a rate of 3.1% per year. Write and use
    12·1 answer
  • from the top of a tree the angle of depression of a rock on the ground is 49 degrees. If the tree is 18.5 m tall, how far is the
    13·1 answer
  • Help me I don't get it​
    9·2 answers
  • I don’t know what to do please help
    6·2 answers
  • 1. VIDEOTAPES Lyle is putting his
    9·2 answers
  • PLEASE PLEASE HELP!!!! WILL GIVE BRAINLIEST!Which system of inequalities is represented by the graph?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!