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
8_murik_8 [283]
3 years ago
15

Prove that: 16sin20.sin40.sin60.sin80=3​

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
6 0

to prove that 6720. Sin 40. Sin 60. 80 equals 3 you'd have to divide 16 by 20 multiply subtract both sides by 3 which is 24x + 6x + 8x + -14 equals 40 40 + 20 equals 16 - -40 equals 80 which equals to 3

You might be interested in
∠A and \angle B∠B are complementary angles. If m\angle A=(x+10)^{\circ}∠A=(x+10)
Angelina_Jolie [31]

Answer:

x + 10 + 3x + 28 = 90

4x = 52

x= 13

Step-by-step explanation:

Angle B = 67

8 0
3 years ago
How many solutions does the system have?Explain
valkas [14]
There are NO SOLUTIONS.

Substitute the first equation for y in the second equation. You can see it does not work. 6 does not equal 8. Therefore there are no solutions.

6 0
3 years ago
What is the rate of change seen in the graph below?
Grace [21]

Answer:

zero

Step-by-step explanation:

This flat horizontal line is Y=1 has a slope (rate of change) of zero.

7 0
2 years ago
What is the distance?
wlad13 [49]

Answer:10,800

Step-by-step explanation:

im not sure but what i did was 90x120=10800

6 0
3 years ago
Read 2 more answers
you buy 5 notebooks and a backpack. the cost of the backpack is $27.25. you pay 6% in sales tax on your purchase, and yout total
saw5 [17]
That's the answer i hope i got it write!!





↓↓↓↓↓↓↓↓

6 0
3 years ago
Other questions:
  • A local furniture stores at advertising a discount of 30% off their selection a surface. Pauline monster buy a sofa that has an
    13·1 answer
  • There is a spinner with 15 equal areas, numbered 1 through 15. If the spinner is spun one time, what is the probability that the
    12·1 answer
  • A company’s profit is modeled by the function p(x) = -2x2 + 60x − 2, where p is the profit in thousands of dollars and x is the
    11·1 answer
  • Nail this puzzle down
    14·2 answers
  • Create an expression. Marvin's garden has 13 rose bushes in it. If he plants 4 more rose bushes each week, write an algebraic ex
    6·1 answer
  • What is 2+2= what? and minus it by 2
    11·2 answers
  • The square pyramid shown below has a volume of 360 ft³. find the height of the pyramid ​
    14·1 answer
  • Type the missing number that makes these fractions equal:<br> Blank/4 equal 15/20
    5·1 answer
  • "Predator - Prey"Consider the following systems of rate of change equations:System A(dx/dt)= 3x(1-(x/10))- 20xy(dy/dt)= -5y+(xy/
    7·1 answer
  • Plz help and also give a step-by-step explanation
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!