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
Aleks04 [339]
2 years ago
9

If cos θ= 12 /13 and θ is located in the Quadrant I, find sin (2 θ ), cos(2 θ ), tan(2 θ )

Mathematics
1 answer:
Yakvenalex [24]2 years ago
4 0

Answers: sin(2∅) = 120/169,  cos(2∅) = 119/169, tan(2∅) = 120/119

<h3>What are trigonometric functions?</h3>

Trigonometric functions are used to establish the relationship between the sides and the angles of a right angle triangle.

Analysis:

If cos∅ = adjacent/hypotenuse =  12/13,

Then, opposite of the right angled triangle = \sqrt{13^{2} - 12^{2}  } = 5

sin∅ = 5/13, cos∅ = 12/13, tan∅ = 5/12

sin(2∅) = 2sin∅cos∅ = 2(5/13)(12/13) = 120/169

cos(2∅) = cos^{2}∅ - sin^{2}∅ = (\frac{12}{13}) ^{2} - (\frac{5}{13} )^{2} = 144/169 - 25/169 = 119/169

tan(2∅) = sin(2∅) / cos(2∅)  = 120/169 ÷ 119/169 = 120/119

Learn more about trigonometric functions: brainly.com/question/24349828

#SPJ1

You might be interested in
HELP???? PLEASE!!! HELP?????
saul85 [17]
.55 is the answer. I hope this helped a great deal!
5 0
3 years ago
What is 4/16 ÷ 3/4 ​
Kobotan [32]

Answer:

4/12 simplified to 1/3.

Step-by-step explanation:

4/16 x 4/3 = 4/12

4/12 = 1/3

5 0
3 years ago
Read 2 more answers
You spin a spinner with eight what is the sample space?
Nastasia [14]
{1,2,3,4,5,6,7,8}= Sample space
3 0
3 years ago
My daugher is trying to <br>Solve -7.8x=-1.56  
Hunter-Best [27]
You would just have to isolate for x
so it would simply become
-1.56/-7.8
= 0.2
8 0
3 years ago
Which equation represents a circle with the same radius as
sattari [20]

Answer :

(x+1)^2+(y-1)^2=4^2 and (x+1)^2+(y-1)^2=16

Step-by-step explanation:

Given : A circle with the same radius as  the circle shown but with a center at (-1.1).

To find : Which equation represents a circle ?

Solution :

The equation of a circle with center (h,k) and radius r is given by :

(x-h)^2+(y-k)^2=r^2

Here, we are given (h,k)=(-1,1)

and radius r=4 units

So, equation of circle will be :

(x-(-1))^2+(y-1)^2=4^2

(x+1)^2+(y-1)^2=4^2

or (x+1)^2+(y-1)^2=16

Therefore, the required equations of circle are

(x+1)^2+(y-1)^2=4^2 and (x+1)^2+(y-1)^2=16

7 0
3 years ago
Other questions:
  • Which of the following is a service that banks provide? A. Printing paychecks B. Insuring vehicles C. Access to cash D. Printing
    6·2 answers
  • Write a sequence of transformations that maps quadrilateral abcd onto quadrilateral a b c d
    11·1 answer
  • A square has sides of 10x. Write and simplify an expression for the perimeter of that square.
    10·1 answer
  • What’s is the answer to 4(6)
    15·2 answers
  • Claire says that if she runs at an average rate of 6 miles per hour. It will take her about 2 hours to run 18 miles. Do you agre
    7·1 answer
  • 3x(x+5y)+2y(7x-y)+4(x^2+2y)
    13·1 answer
  • After simplification, how many terms will be there in 4x3 + 9y2 - 3x + 2 - 1?
    11·1 answer
  • NEED HELP WITH THIS
    7·1 answer
  • What is the probability that a respondent chosen at random is a male or a​ female?
    9·1 answer
  • An insurance company states that it settles 85% of all life insurance claims within 30 days. A consumer group asks the state ins
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!