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
Stels [109]
2 years ago
8

Prove that

20" id="TexFormula1" title=" \frac{1 }{ \sin(x) \times \cos(x) } " alt=" \frac{1 }{ \sin(x) \times \cos(x) } " align="absmiddle" class="latex-formula">
equals 2csc2x
​
Mathematics
1 answer:
konstantin123 [22]2 years ago
3 0

Answer:

See below for proof

Step-by-step explanation:

2csc(2x)\\\\2[\frac{1}{sin(2x)}]\\ \\2[\frac{1}{2sin(x)cos(x)}]\\ \\\frac{2}{2sin(x)cos(x)}\\ \\\frac{1}{sin(x)cos(x)}

Thus, the identity is proven

You might be interested in
Find the distance between these points: (-3, 8) and (-5,1)
irina1246 [14]

Answer:

7.28011

Step-by-step explanation:

X1 =-3

X2 =-5

Y1 =8

Y2 =1

Distance Formula = √(X2-X1)²+ (Y2-y1)²

Step 1. calculate (X2-X1)²

(-5 - -3)2 = 4

Step 2. calculate (Y2-Y1)²

(1 - 8)2 = 49

Step 3. calculate √4 + 49

                = 7.28011

5 0
3 years ago
What does the model predict for 1900?
vagabundo [1.1K]

Answer:

64.0% is the correct answer.

Step-by-step explanation:

As per the given scatter plot of voter turnout every year:

X axis represents the year and

Y axis represents the percentage of people who voted.

The model was predicted as per the equation:

y = -0.1271x + 307.53

<u>To find:</u> Prediction for the year 1900.

Putting the value of x=1900, the value of y will be the predicted value of the model i.e. the value of percentage of voter turnout.

\Rightarrow  y = -0.1271\times (1900) + 307.53\\\Rightarrow  y = -241.49 + 307.53\\\Rightarrow  y = -64.04\%\\OR\\y \approx 64.0\%

So, the model predicts y \approx 64.0\% for the year 1900.

3 0
3 years ago
A pipe is 36 feet long. It needs to be cut into pieces that are each 3/4 feet long. How many pieces can be made from the pipe?
Ket [755]

108/4 = 27 pieces you multiply 36 x 3 = 108 and the denominator stays the same so 108/4 equals to 27 pieces

4 0
3 years ago
CAN YOU GUYS PLEASE HELP ME WITH THESE QUESTIONS...ITS WORTH 50 POINTS..AND I WILL MARK BRAINLY pt2.
Pavel [41]

Answer: what i would do is add a zero

Step-by-step explanation:

hope that help u have a wonderful day

7 0
3 years ago
Write an expression for four times the product of -9 and x and then simplify it.
katrin2010 [14]
4(-9*x)

Multiply the two numbers
-36x

Final answer: -36x
5 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE PLEASE HELP!! Brainliest! A local pizzeria offers 11 toppings for their pizzas and you can choose any 5 of them for one f
    7·2 answers
  • Find the surface area of the cone with a diameter of centimeters and a slant height of millimeters
    14·1 answer
  • Which is the graph of the line y-2 =3(x-1)
    9·1 answer
  • In the equation 6x-+3y=-12 if x=-3 what is the value of y
    10·1 answer
  • Help me pleaseeeeee i have 24 points dor you please​
    10·1 answer
  • 3pt=_____ centimeters                          40oz=___________lb
    9·1 answer
  • A financial advisor puts 1/10 of all income into a savings account and puts the rest into a checking account. Which statement is
    9·1 answer
  • List the domain and range of the relation.<br> {(4-3), (8,8), (0.-3)(8.1) (4.3)}<br> The domain is
    5·1 answer
  • NEED ANSWER!!! “write an equation to find y, the cost of shirts,given x, the number of shirts”?
    9·1 answer
  • Please Help me solve this (Who ever answers correctly will get brainlest)
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!