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Dvinal [7]
3 years ago
12

How to compare ratios?

Mathematics
2 answers:
Cloud [144]3 years ago
8 0
By set it a a fraction colen or reffer it to the word to
iren2701 [21]3 years ago
3 0
You can compare ratios by using a colen, the word "to", and a fraction. Examples

3:4
3 to 4
3/4
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Hi please help me thanksss<br>pls provide workings too thanks :)​
anygoal [31]

Step-by-step explanation:

Search for questions & chapters

Class 11

>>Maths

>>Trigonometric Functions

>>Trigonometric Equations

>>Solve for x: sin x + sin 2x...

Question

Bookmark

Solve for x:sinx+sin2x+sin3x=cosx+cos2x+cos3x in the interval 0≤x≤2π.

Medium

Solution

verified

Verified by Toppr

We write the given equation as

(sinx+sin3x)+sin2x=(cosx+cos3x)+cos2x

or 2sin2xcosx+sin2x=2cos2xcosx+cos2x

or sin2x(2cosx+1)=cos2x(2cosx+1)

or (sin2x−cos2x)(2cosx+1)=0

∴sin2x−cos2x=0 or 2cosx+1=0

If sin2x−cos2x=0, then tan2x=1,

Hence 2x=nπ+π/4

or x=(4n+1)

8

π

.(1)

If 2cosx+1=0, then cosx=−1/2 (2)

∴x=2nπ±

3

2π

or x=

3

6n±2

π

We seek values of x in the interval 0≤x≤2π

In this interval (1) gives

x=π/8,5π/8,9π/8,13π/8. (n=0,1,2,3)

and (2) gives x=2π/3,4π/3. (for n=0,1)

Thus we get the answer

x=π/8,5π/8,2π/3,9π/8,4π/3,13π/8.

4 0
2 years ago
What is a conversion factor that you can use to convert gallon to pints how did you find
ludmilkaskok [199]

Answer: 1 gallon=8 pints

Step-by-step explanation: I used google

8 0
3 years ago
A lawn had an area of 100 square feet. If it was 10 feet width, how long was it?
AleksAgata [21]
10 ft because 10×10=100
3 0
2 years ago
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ASAP NEED HELP ON MY MATH RETAKE I NEED HELP PLZZZ IM BEGGING YALL
Sindrei [870]

Answer:

B) There tends to be a linear association between variables

c) the data includes one or more outliers

8 0
3 years ago
Please help im crying
inysia [295]
Ok I gotcha I’ll let
7 0
2 years ago
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