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
rjkz [21]
2 years ago
6

I need help proving this ASAP

Mathematics
2 answers:
Tom [10]2 years ago
4 0
Hey sorry I can’t help but use Mathaway or Photomath to help!
Rama09 [41]2 years ago
3 0

Answer:

1 + tan²A = sec²A = 1/cos²A

2tan(X/2)/(1+tan²(X/2))

= 2tan(X/2)cos²(X/2)

= 2[sin(X/2)÷cos(X/2)]cos²(X/2)

= 2sin(X/2)cos(X/2)

= sin(X)

Because sin(2A) = 2sin(A)cos(A)

You might be interested in
Find the value of x to the nearest tenth.<br> tan Xº = 31
Dmitry_Shevchenko [17]

Answer: the answer is 88.2 and your welcome!!

Step-by-step explanation:

Tan x=31

x= tan^-1 (31) 

x=88.2 degrees

6 0
2 years ago
15x + 2x can be written as _____.<br> x(15 + 2x)<br> (15 + 2)x<br> (15x + 2x)x
Triss [41]
2x+15x you can just switch the two.
6 0
3 years ago
Read 2 more answers
HELP ME ASAP PLEASE!!!!
Wewaii [24]
-(1/2)p<-16

Divide both sides by the coefficient of p. Flip the inequality sign because you are dividing a negative number.

p>32

Final answer: A
6 0
3 years ago
What is the quotient of (2x4 – 3x3 – 3x2 7x – 3) ÷ (x2 – 2x 1)? 2 x superscript 4 baseline minus 3 x cubed minus eleven-halves 2
evablogger [386]

The answer choice which represents the quotient of the polynomials given is; 2x² +x -3.

<h3>What is the quotient of the polynomial division?</h3>

According to the task content, the quotient of the polynomial division; (2x4 – 3x3 – 3x2 7x – 3) ÷ (x2 – 2x 1) is required;

Hence, it follows from long division of polynomials that the required quotient is; 2x² +x -3.

Read more on quotients of polynomials;

brainly.com/question/24662212

#SPJ4

7 0
1 year ago
Translate and simplify the expression the sum of fifteen and a number plus twelve
mr Goodwill [35]
I think it might be 15n + 12 sorry if it’s not
3 0
3 years ago
Other questions:
  • PLEASE HELP !!!!!!!!!
    11·1 answer
  • A train is going 44 mph and another train going the same way that leaves 1 hour after is going 55mph when is the second train go
    6·1 answer
  • The probability that a person has a certain disease is 0.03. Medical diagnostic tests are available to determine whether the per
    10·1 answer
  • Which of the following represents the difference between the central angles of the above regular polygons? Round to the nearest
    14·1 answer
  • Plz help with this question!
    13·1 answer
  • What is the slope of the line that passes through the points (-2, 6) and (4, - 2)?
    10·2 answers
  • PLSS HELP ASAP 100 points + brainlist ONLY EVENS ALL PLSS
    11·1 answer
  • X + 7у = 23 3х + 14у = 48​
    9·1 answer
  • Amy spent $90 at the store. She spent 1/3 of her money on food, 1/6 of her money on school supplies, and 1/9 of her money on sod
    12·1 answer
  • The Ratio of two numbers is 3/5, and their sum is 104. What are the 2 numbers?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!