Answer:
1. Tangent Half-angle identity
2. 1 + cos x
3. 1 - cos x
Step-by-step explanation:
Just answered the question on edge
The proof shows the first five steps for verifying cot^2 (x/2)= cos x+1/cos x-1 The drop-down box to complete the steps of the proof will be the taking square root of the fraction.
What is trigonometry?Trigonometry is a branch of mathematics that deals with the relationship between the sides and angles of a right-angle triangle and the trigonometric ratio are defined as the ratio of the pair of a right-angled triangle.
The first five steps for the following proof are,
Taking LHS
[tex]\rm = cot^2 \frac{x}{2}[/tex]
As we know,
cotx=1/tanx
[tex]\rm = \frac{1}{tan^2\frac{x}{2} } \\\\ = \frac{1}{\sqrt{(\frac{1-cosx}{1+cosx})^2 } } \\\\ =\frac{1}{\frac{1-cosx}{1+cosx} }[/tex]
As the left-hand side term is equal to the right-hand side term the proof and its steps are correct.
Thus, the proof shows the first five steps for verifying cot^2 (x/2)= cos x+1/cos x-1 The drop-down box to complete the steps of the proof will be the taking square root of the fraction.
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(–6)² – (–7)²
I need a step by step process.
What is the solution to the system of equations graphed below?
(2, 4)
(4,2)
(0.6)
(6.0)
Answer:
(4,2)
Step-by-step explanation:
You can see the point where lines crossed.
Hope this helps you.
1)
Bill and John competed in the “Shot Put" event in their school's track
meet. Bill threw the shot 21 feet and 6 inches, while John threw the
shot 17 feet and 4 inches. How much greater was Bill's throw than
John's?
Answer:
4 feet and 2 inches
Step-by-step explanation:
First, find the difference between the number of feet in their throws:
21 - 17
= 4 feet
Since Bill's throw had 6 inches while John had 4 inches, subtract 2 inches from the 4 feet that we calculated earlier.
This gets us 4 feet and 2 inches, since there are 12 inches in a foot.
So, Bill's throw was 4 feet and 2 inches greater than John's.
What is the image point of (1,0) after a translation right 1 unit and up 4 units?
Answer:
(2,4)
Step-by-step explanation:
hope this helps :)
Answer:
(1,0) + 4 up and + 1 right
The answer is (2,4)
Factor the following expression :x3 + x2
Answer:
x^2(x+1)
Plz let me know if im wrong!!!
Please help will mark brainliest if correct
Answer:
B ------- DE ≅ RS
it's B because DE and RS both contain the equal angles.
a tube is stretching
Answer:
h
Step-by-step explanation:
An airplane travels at a constant speed of 320 miles per hour. How far, in miles, will the airplane travel in 15 minutes?
Answer:
80 miles.
Step-by-step explanation:
If it is traveling at 320 miles per hour, and its asking how much its traveled in 15 minutes you do this:
Since 15 minutes is 1/4 of an hour, you take 1/4 of how fast they are traveling at mph, which in this case is 320 mph.
320/4=80
The airplane will travel 80 miles in 15 minutes.
What is Distance?The length along a line or line segment between two points on the line or line segment.
we need to use the formula of distance.
distance = speed × time
Since the speed of the airplane is 320 miles per hour, we need to convert 15 minutes to hours:
15 minutes = 15/60 = 0.25 hours
Now we can substitute the values into the formula:
distance = speed × time
distance = 320 × 0.25
distance = 80
Therefore, the airplane will travel 80 miles in 15 minutes.
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Given f(x) = 11 - 7x, evaluate f(-2).
Answer:
-7*-2=14+11=25
Step-by-step explanation:
Michael has five different stocks that he watches on a daily basis the table shows the change in each stock price in dollars at the end of a trading day
Answer:
a
Step-by-step explanation:
how do you know that the repeating decimal 0.555... can be written as a fraction
Answer:
555/1000
Step-by-step explanation:
I guess it is the answer.
Write a linear function f with f(5)=7 and F(-2)=0.
Answer:
f(x)=x+2
Step-by-step explanation:
Slope= (7-0)/(5-(-2)) = 7/7 = 1
Y-intercept= 2
substitute the slope, 1, for m and the y-intercept, 2, for b to get:
f(x)=x+2
hope this helps!
The linear function f with f(5)=7 and F(-2)=0 is f(x) = x + 2
f(5) = 7
This means when x = 5 , y = 7
(5, 7)
f(-2) = 0
(-2, 0)
This implies when x = -2 , y = 0
Using the linear function formula,
y = mx + b
where
m = slope
b = y-intercept
Therefore, the function can be represented as follows:
m = 0 - 7 / -2 - 5 = -7 / -7 = 1
Therefore,
y = x + b
0 = -2 + b
b = 2
The function in relation to x can be represented as follows:
f(x) = x + 2
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Pls helpppp I want good grades
I believe the answer is 2.7 but I'm not sure...
Answer:
2 7/9
Step-by-step explanation:
I think this is the answer. when you have a -- its adds. So i added the 3 to the -2/9.
greatest common factor.
32+44
Answer:
I'm pretty sure its 76
hope this helps
what is the value of (3/4)³
Answer:
27/64 or 0.421875
Step-by-step explanation:
= 3^3 / 4^3
= 27 / 64
I hope this helps
Answer:
[tex]\frac{27}{64}[/tex]
Step-by-step explanation:
We cube the 3 (3^3),which makes 27 and cube the 4(4^3), which makes 64
Please hurry bb :) Please don't put the wrong answer if u don't know <3
Town A has 14,700 residents and covers 42 square miles. Town B has 58,000 residents and covers 116 square miles. Which comparison is accurate?
Town A has 150 more residents per square mile than town B.
Town B has 150 more residents per square mile than town A.
Town A has 585 more residents per square mile than town B.
Town B has 585 more residents per square mile than town A.
Answer: b town b has 150 more residents per square mile than town A
Step-by-step explanation:
Answer:
Town B has 150 more residents per square mile than town A.
Step-by-step explanation:
I got it right on edge 2021 :) I hope its right and that you have an amazing day you amazing person :DD
A new brand of refrigerators and air conditioners saves 15% on power use. Your present monthly power bill averages $200. What would be your monthly savings by using this new brand?
Answer:
$170
Step-by-step explanation:
15 percent of 200 is 30 and 30 minus 200 would be 170
100x 500 please help me with this quickly
Answer:
50000
Step-by-step explanation:
Answer:
The answer is 50000
Step-by-step explanation:
3. Which relation is a function?
Preston adopted a cat from a rescue shelter. He needs to buy some cat litter, so he compares prices at different stores. He finds the best deal at Fluffy Felines Pet Shop, which sells a 20-pound jug of cat litter for $8.60. How much does the cat litter cost per pound?
Answer: 0.43
Step-by-step explanation: divide
ive been reposting this question forever i really need help if u answer correctly i will mark brainliest look at the image i uploaded that is the question and it shows what answers i need
Answer:
I believe it would be 64:80 you can report me if I'm wrong just trying to help
The sales tax in Texas is 8.25% and an item costs $400. How much is
the tax?
Answer:
Step-by-step explanation:
400*8.25%= $33 tax
Elena went to a store where you can scoop your own popcorn and buy as
much as you want. She bought 10 ounces of spicy popcorn for $2.50.
Write two different equations that represent this situation. Use p for ounces of popcorn and c for cost in dollars.
HELP PLS EJDHWJDHJ
Answers:
c=0.25p
p=4c
c=.25p
c=1/4p
Hope I' not too late -w-'
if x=3 which shape has a greater perimeter
Answer:
Quadrilaterial 1
Step-by-step explanation:
does anyone know this? I dont get it
Answer:
1st one
Step-by-step explanation:
What is the image of (0,–8) after a reflection over the line y = –2?
If angle 1 and angle 2 are vertical angles then angle 1 and angle 2 are congruent
Answer:
[tex]\large\boxed{\textsf{True.}}[/tex]
Step-by-step explanation:
[tex]\textsf{This is a True or False question, where we are asked if vertical angles are equal.}[/tex]
[tex]\Large\underline{\textsf{What are Vertical Angles?}}[/tex]
[tex]\textsf{Vertical Angles are 2 angles that are opposite from each other, and are formed by}[/tex]
[tex]\textsf{the same, straight lines.}[/tex]
[tex]\textsf{Because they're formed by the same lines and are opposite from each other, vertical}[/tex]
[tex]\textsf{angles are congruent to each other.}[/tex]
[tex]\boxed{\mathtt{\angle 1 \cong \angle2}}[/tex]
Please help due NOW PLEASE HELP!!
Will mark as brilliant
A shop sold 14 white shirts, 24 pink shirts, and 28 blue shirts, what is the radio of The number of pink shirt soul to the number of blue shirt sold?
A: 1 to 6
B: 4 to 11
C: 6 to 7
D: 6 to 13
Answer: Your Answer is C, hope this helps!
Step-by-step explanation: