Answer quick please
For 0 < x < pi/2, which expression is equivalent to sin(x/2)tan(x/2)/1-cos(x) ?
Answers
The equivalent expression to[tex]\frac{ sin(x/2)tan(x/2)}{1-cos(x)}[/tex] is [tex]\frac{1}{\sqrt{2(cosx+1)} }[/tex]. option A is correct.
Equivalent expression to[tex]\frac{ sin(x/2)tan(x/2)}{1-cos(x)}[/tex] determine.
Evaluation is defined as finding a solutions to mathematical problems.
Here, we have [tex]\frac{ sin(x/2)tan(x/2)}{1-cos(x)}[/tex]
[tex]=\frac{sin(x/2)tan(x/2)}{1-cos(x)}\\ =\frac{sin(x/2)\frac{sin(x/2)}{cos(x/2)} }{2sin^2(x/2)} \\= \frac{sin(x/2)^2}{2cos(x/2)sin^2(x/2)}\\ =1/2cos(x/2)\\=\frac{1}{2\sqrt{(cos(x)+1})/2 } \\=\frac{1}{\sqrt{2(1+cos(x))} }[/tex]
Thus, the equivalent expression to[tex]\frac{ sin(x/2)tan(x/2)}{1-cos(x)}[/tex] is [tex]\frac{1}{\sqrt{2(cosx+1)} }[/tex].
Learn more about evaluation here:
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Related Questions
What is this answer to the picture i put below
Answers
I dont know sorry
So sorry really wish i could help
. Convert 16,300 minutes into DAYS.
Answers
Answer:
11.319 days yes yes yes
Janiya hiked 4/5 of a mile in 1/3 of an hour what is the hiking speed in miles per hour
Answers
Answer:
Janiya has a speed of [tex]2\frac{2}{5}[/tex] miles per hour.
Step-by-step explanation:
Given that:
Distance covered = 4/5 of a mile
Time taken to cover the distance = 1/3 of an hour
Speed is defined as the distance travelled in a certain time.
Speed of Janiya = [tex]\frac{Distance}{Time}[/tex]
Speed of Janiya = [tex]\frac{\frac{4}{5}}{\frac{1}{3}}[/tex]
Speed of Janiya = [tex]\frac{4*3}{5*1}[/tex]
Speed of Janiya = [tex]\frac{12}{5}[/tex]
Speed of Janiya = [tex]2\frac{2}{5}[/tex] miles per hour
Hence,
Janiya has a speed of [tex]2\frac{2}{5}[/tex] miles per hour.
-2(p+5)
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Answers
Answer:
The answer is -2p-10
Step-by-step explanation:
-2(p+5)
=-2p-10
Find the length of the segment with endpoints
K(0,2) and V(9,14).
A. 21
B. 15
C. 12
D. 9
Answers
Answer:
C
Step-by-step explanation:
A travel agency is planning for a holiday for
a a group
of people. The agency receives quotations
from two coach companies. Maya Express and
Great Holidays. Maya Express charges $15 for
each person while Great Holidays charges a
fixed amount of $84 and an extra of $12 per
person. If the total amount charged by each
company is the same, find the number of
people going on the holiday.
Answers
Answer:
so it 15
Step-by-step explanation:
Solve for x: x3 = 512 Your answer may be a whole number or a fraction.
Answers
Answer:
x=8
Step-by-Step Explanation:
View provided picture
Convert the following fractions to decimals.
Help me plz
Answers
Answer:
1
Step-by-step explanation:
PLEASE HELP! Which graph has an absolute max at x=2
Answers
Answer:
C)
Step-by-step explanation:
The highest point on the graph for c) is in the first quadrant (where x=2 would be).
If you had an equation, you would be able to find critical points on the function by setting the numerator and denominator equal of f'(x)=0 and solve. You'd have to evaluate f(x) at these critical points and end points to figure that out. This is, if you're in calculus and you would ever need assistance otherwise!
can you please help me
Answers
look at the given point at -3, 1
count three down and one across (right)
you’ll see it gives a perfect slope as it is perfectly in the corner of the box
Pls help someone my brain is about to explode
Answers
Answer:
It has to be the third option.
Happy to help :)
Cody's Cafe uses 1 7/10 bags of coffee every day. How many days will 6 4/5 bags of coffee last?
Answers
Answer:
64/5 bags=128/17 days
Step-by-step explanation:
soln:
given,
17/10 bags=1 day
64/5 bags= ?
we know,
1 bag=10/15 day
so,
64/5 bags=10/15*64/5
•°•64/5 bags=128/17 days
f(2)=7 into coordinate points
Answers
PLEASE HELP WILL GIVE BRAINLIEST
Answers
Answer:
-6(3x +2) = 2x -5 -20x -7 (use the distributive property )
-18x -12 = -18x - 12 (i combined like terms on the right side of the equation)
at this point I can tell that it's true for any value of x, so they all apply
Step-by-step explanation:
help please
hekfkdnr
Answers
Answer:
first one is -16
second is -4
I'm what the third is
James wants to buy some CDs that cost $14 each and a DVD that costs $23. He has $65. Write an equation (in the Show your work area) and solve to find how many CDs he can buy. Include "CD" in your answer.
Answers
Answer:
3
Step-by-step explanation:
65-23= 42
42/14= 3
Answer:
14x+23 =65 x=3CDs
Step-by-step explanation:
So for any question where you need to write your own equation, it is first necessary that you determine what each number in the problem means in order to determine where they should go. James has $65 so the equation needs to be set equal to 65. The problem says he wants to buy a DVD for $23 so that would be a constant $23 spent regardsless of how many CDs he buys. We are trying to use the equation to determine how many CDs James can buy so the number of CDs is the x value at $14 each which would be 14x in the equation. so the equation would be the 14x for the unknown number of CDs, plus 23 for the constant DVD that James would buy set equal to the $65 he can use to buy everything.
To solve the equation, you must now isolate for x. To start, cancel out the +23 on the left side by subtracting 23 from both sides. This will leave 14x=42. You must then cancel the 14 by dividing both sides by 14 leaving your answer of x=3CDs.
I hope this helps.
3(4×2) find the total area of the rectangle
Answers
Answer:
24
Step-by-step explanation:
Given a slope of -1 and the point (-2, -2), find the Y-intercept of the line.
Answers
Answer:
The y-intercept of the line is -4.
Step-by-step explanation:
y-y=m(x-x¹)
y-(-2)=-1(x-(-2))
y+2=-1x-2
-2 -2
y=-1x-4
plz help itz due tommorow plz
question in pic
Answers
Answer:
The answer is -2
Step-by-step explanation:
-6 means you go on the left and then you subtract -2 which means go backward 2 Soooo you got the right answer.
HELPPP!!!!! what is the value of x ♀️
Answers
Answer-
B) 40
Step By Step Intrustions-
First Step-
Gather your important numbers; 60, 3.75, & 2.5
Second Step [ Divide ]-
Divide your numbers for the same side;
60 ÷ 3.75 = 16
Final Step [ Multiply ]-
16 × 2.5 = 40
40 is your final answer of the enlarged side. Hope this helps!
-♡ Aslina ♡
Suppose you subtract –7 from the quotient of –16 and –4. What is the answer
Answers
Answer: 11
Step-by-step explanation: -16 / -4 = 4
4 - (-7) = 11
Answer:
11
Step-by-step explanation:
Follow the steps to find the value of x 1/5(x)5/1=6/3(5/1)
multiplication property of equality is used btw
Answers
Answer: x=10
This is the answer I got.
a store sells gift cards in preset amounts. you can purchase gift cards for $20 from chipotle and $30 from panera. you spent $440 of gift cards. write an equation in standard form to represent this situation
Answers
Answer:
a = Panera
b = Chipote
a(20) + B(30) = 440
Step-by-step explanation:
Which of the following is NOT a true statement about the sides of a right triangle? A. The hypotenuse is the longest side. B. The legs are the sides adjacent to the 90° angle. C. Side “a” is always longer than side “b”. D. The hypotenuse is opposite the 90° angle.
Answers
I need help with this question. Thank you so much!
Answers
Answer:
D. -5
Step-by-step explanation:
can m ( in a y=mx+b equasion) be a fraction
i got 1 1/4 and.....yeah im confused
Answers
Answer:
yes it can
Step-by-step explanation:
Answer:
Yes, m can be a fraction.
Step-by-step explanation:
m in y=mx+b stands for slope, and slope is rise/run, so it most definitely can be a fraction. BUT, keep it as 5/4 or 1.25 when writing it so you don't confuse yourself next time ;)
What is the value of x in the figure shown below?
Answers
Answer: 100 degress
Step-by-step explanation:
35+65=100
180-100
Angle = 80 degrees
x=100
What is the output of y=23x−4 when the input is 18?
Answers
Answer:
y = 410
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightStep-by-step explanation:
Step 1: Define
y = 23x - 4
x = 18
Step 2: Evaluate
Substitute x: y = 23(18) - 4Multiply: y = 414 - 4Subtract: y = 410Answer:
y = 410
Step-by-step explanation:
y = 23x - 4 If x = 18
y = (23*18) - 4
y = 414 - 4
y = 410
What is the measure of A?
Answers
Answer:
the answer might be 52
Step-by-step explanation:
105-53= 52
Sorry if it's wrong! ヾ(•ω•`)o
Have a nice day! ( ﾟдﾟ)つ Bye
(a-b)^3
what the answer pls
Answers
Answer:
(a-b)^3 = a^3 - 3a^2b + 3ab^2 - b^3.
Answer:
Step-by-step explanation:
(a-b)^3
(a-b)(a-b)(a-b)
a^3-3a^2b+3ab^2-b^3