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
Ratling [72]
2 years ago
11

(cos2a *cos 4a+ sin 2a*sin 4a)/sin4a

Mathematics
1 answer:
lyudmila [28]2 years ago
4 0

Answer:

Step-by-step explanation:

(cos 4a*cos 2a+sin 4a*sin 2a)/sin 4a

=[cos (4a-2a)]/sin 4a

=(cos 2a)/sin 4a

=(cos 2a) /(2 sin 2a cos 2a)

=1/(2 sin 2a)

=1/2 csc 2a

You might be interested in
A concession stand sells two sizes of popcorn. The small bag holds 20 ounces and costs $4, and the large bag holds 32 ounces and
Usimov [2.4K]

Step-by-step explanation:

The answer is in the picture

4 0
2 years ago
Read 2 more answers
Hailie recently had her hair cut.  The hair cut was $15.25 and her mom tipped the hair stylus 15%.  What was the total cost?  Ro
aleksandr82 [10.1K]
15.25 divided by 100= 0.1525 times 15 = 2.2875 then round to $2.29 (2.29 is the tip) 2.29 + 15.25 = $17.54 would be the total cost!
3 0
2 years ago
Read 2 more answers
PLEASE HELP <br> Find the value of x in the triangle shown below.
MA_775_DIABLO [31]

Answer:

82^o

Step-by-step explanation:

74 + 24 = 98

180 - 98 = 82^o

Hope it helps!

5 0
2 years ago
The manager of Lawn and Garden Services would like to estimate the proportion of her employees' time spent performing various ga
Gnoma [55]

Answer:

The probability is 0

Step-by-step explanation:

Since proportion of time spent on mowing will be 200/400 = 0.5, there will be no chance that the true proportion of time spent mowing is exactly equal to the sample proportion. Where true proportion is 200 and sample is 400 . So the probability is 0.

6 0
3 years ago
Chico walks 3/5 mile to the library. Nikki walks 1/4 the distance that Chico walks to the library.
Irina-Kira [14]
1/4 of 3/5 is 3/20. You find this by multiplying the 2 fractions. Numerator by numerator and denominator by denominator.
3 0
3 years ago
Other questions:
  • In parallelogram ABCD , diagonals AC¯¯¯¯¯ and BD¯¯¯¯¯ intersect at point E, BE=2x2−x , and DE=x2+6 . What is BD ?
    13·2 answers
  • What is the circumference of a circle with a radius of 54 m
    6·2 answers
  • Matt is 15 years younger than Angela. 9 years ago, Angela's age was 2 times Matt's age. How old is Matt now?
    6·1 answer
  • In his math class, Rob observes that students who watch more TV tend to have more test anxiety. He decides to make a graph, matc
    13·2 answers
  • In the grade 9, the ratio of girls to boys is 17:8. What percent of the grade 9 are boys?
    9·1 answer
  • Which of the following is an expression? *
    14·1 answer
  • Ance ate a salad and Four-fifths of a turkey burger for dinner. The salad contained 80 calories and his entire meal contained 44
    12·2 answers
  • Round the following numbers to the nearest 1000: a) 3426 b) 1897 c) 27506 d) 8809​
    15·1 answer
  • I will give points for geometry question
    5·1 answer
  • 12. A bag contains 12 red, 9 green and 5 black markers. If Cooper randomly selects 7 markers, how many
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!