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
Rzqust [24]
2 years ago
6

Show that:sin60=2tan60/1+tan²60​

Mathematics
1 answer:
Ulleksa [173]2 years ago
6 0

Answer:

Step-by-step explanation:

2 tan(60) = 2 * (sqrt(3)/2 = sqrt(3)

1 + tan^2(60) = 1/cos^2(60) = 1//1/4 = 4

The answer is going to look a little convoluted but it should be correct.

The answer so far is sqrt(3) /4

sin(60) = sqrt(3)/2    

of the 4, two is needed to get sqrt(3)/2

So far then we have sin(60)/2

If we multiply by 2 as in (sin(60)/2) we get just sin(60)

2* sqrt(3) /4 then  = 2 sin(60)

You might be interested in
A department store sells logo shirts at an original price of $20. Every month that a shirt doesn’t sell, the store reduces the s
Tasya [4]
Given:
Original price = 20
reduces selling price by 25% every month it's not sold.

First markdown month:
20 * (100%-25%) = 20 * 75% = 15

Second markdown month
15 * 75% = 11.25

Macy, employee gets a 50% discount off the current price.
11.25 * 50% = 5.625
11.25 - 5.625 = 5.625 or 5.63

The pre-tax price of the shirt for Macy will be $5.63
3 0
3 years ago
Read 2 more answers
The equation y=19x relates proportional quantities x and y.
lions [1.4K]

Answer:

the value of x is 4/19

Step-by-step explanation:

it is simple math. 4=19x  divide 4 by 19

6 0
2 years ago
Wally had two more marbled than ashan and together they have 88 marbles how many marbles does ashan have
labwork [276]
Represent as
w=wally
a=ashan
so wally has 2 more marbles than ashan
w=2+a

together they have 88
w+a=88

since w=2+a, subsitute (2+a) for w in the w+a=88 equation
2+a+a=88
add like terms
2+2a=88
subtract 2 from both sides
2a=86
divide by 2
a=43

ashan has 43 marbles
5 0
3 years ago
Read 2 more answers
How many gal is in 32 qt?
spin [16.1K]
There are 8 gallons in 32 quarts becuase 4 quarts = 1 gallon so 32 divided by 4 is 8. Hope this helped! :)
6 0
3 years ago
The measure of two complementary angles are 2x degree and 3x degree, then value of x is​
Lera25 [3.4K]

Answer:

2x+3x=90

or ,5x=90

or,x=90/5

X=18

3 0
2 years ago
Read 2 more answers
Other questions:
  • What transformation were applied to ABC to obtain A’B’C?
    9·2 answers
  • Translate the word phrase into a variable expression.the quotient of a number and 3 is decreased by 1.
    9·1 answer
  • Use proportional reasoning to determine the value of a in the proportion shown below.
    14·2 answers
  • <img src="https://tex.z-dn.net/?f=%28%20%20%7B81%7D%5E%7B%20%5Cfrac%7B1%7D%7B4%7D%20%7D%20%29%5E%7B4%7D%20" id="TexFormula1" tit
    14·1 answer
  • Which model represents a factor of 4x^2-9
    7·2 answers
  • The decimal form 1.46 becomes _______ expressed as a percent.
    7·1 answer
  • What is the sum of (1 - 80° - 15) and (2 + 12x – 3c)?
    10·2 answers
  • On a road map 1<br> inch represents<br> 1,500 miles. How<br> many miles<br> represent 4 inches?
    5·1 answer
  • OPTIONS<br> Pack of 24 for $1.68<br> UNIT PRICE<br> $<br> per<br> Pack of 12 for $1.08<br> $<br> per
    9·1 answer
  • SOMEONE PLEASE HELP I will mark you BRAINLIST
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!