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
Elenna [48]
3 years ago
10

Simplify the expression by using a double-angle formula. −2cos2π91

Mathematics
1 answer:
Hatshy [7]3 years ago
7 0
The Answer of <span>−2cos2π91 =</span> is -2 
You might be interested in
Solve. 7/9 = b/b - 10
kifflom [539]

Answer:

No Solution

Step-by-step explanation:

There are no values of  b

that make the equation true.

No solution

8 0
3 years ago
I need help asap thank you
ddd [48]
The answer is H to your question
8 0
3 years ago
Read 2 more answers
What is the value of x enter your answer in the box
OverLord2011 [107]

Answer:

x = 55°

Step-by-step explanation:

The sum of the 3 angles in a triangle is 180°

Subtract the sum of the 2 given angles from 180 for x

x = 180° - (75 + 50)° = 180° - 125° = 55°

6 0
4 years ago
Read 2 more answers
Simplify the expression m-6n-3/m-13n-1
rosijanka [135]

ANSWER: 7n-2

m-6n-3/m-13n-1

First you cross cancel m

then you get -6n-3/-13n-1

Thn you would subtract : 7n-2

3 0
3 years ago
Read 2 more answers
Ullal<br> Classify the polynomial and determine its degree.
yuradex [85]
The polynomial –2x^2 – x + 2 is a monomial , binomial or trinomial
with a degree of 1 , 2 3 or 4. Your answer is 2.
3 0
3 years ago
Other questions:
  • Does anyone know this?
    10·2 answers
  • Two numbers that are the same distance from zero on a number line are called what?
    8·2 answers
  • Which of the following describes the graph of y=3√(27x−54)+5 compared with the parent cube root function? Horizontal translation
    13·1 answer
  • Round the number to the nearest thousand. 645,405
    13·1 answer
  • 2. Find the value of x in the triangle. Round your answer to the nearest tenth of a degree. Show your work.
    8·1 answer
  • you draw a card from a deck if you get a red card you win nothing if you get a spade you win 14 for any club you win 28 plus an
    6·1 answer
  • Hurryyy Plzzz!!
    15·1 answer
  • Determine the value for x
    15·1 answer
  • A quantity with an initial value of 850 grows continuously at a rate of 90% per
    11·1 answer
  • Name each figure <br><img src="https://tex.z-dn.net/?f=%20%5C%5C%20%20%5C%5C%20%20%5C%5C%20" id="TexFormula1" title=" \\ \\ \\
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!