2 years ago

Prove that cot 4x (sin 5x + sin 3x) = cot x (sin 5x – sin 3x).

Mathematics

1 answer:

strojnjashka [21]2 years ago

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Olegator [25]

Red Circle:

First find the diameter

We can do that by counting the squares

Diameter:4

The radius is half of the diameter

4/2=2

Radius of the Red Circles:2

Blue Circle:

Diameter: 2

2/2=1

Radius of the Blue Circle:1

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2 years ago

Find the missing number 32/52= ?/13

expeople1 [14]

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Step-by-step explanation:

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2 years ago

Mikel is trying to save for college expenses. He has a job, but can only afford to put $20 per month aside. He has 4 years until

nadezda [96]

Answer:

960

20 times 12 moths to get 240 then multiply that by 4 years and get 960 .

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20 x 12=240 x 4 =960

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2 years ago

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Hi please help me no links thank you

olya-2409 [2.1K]

Step-by-step explanation: (I'm not gonna' do it all for you tho)

to convert from percent to fraction:

70% = $\frac{70}{100} =\frac{7}{10}$

to convert from fraction to percent:

$\frac{11}{20}=\frac{55}{100}$ = 55%

to convert from fraction to decimal:

$\frac{3}{25} =\frac{12}{100} =0.12$

to convert from decimal to fraction:

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to convert from percent to decimal:

0.2% = $\frac{0.2}{100} =0.002$

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With that, you can solve the rest on your own

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3 years ago