3 years ago

Solve the question.

Mathematics

1 answer:

Katarina [22]3 years ago

6 0

I suck at math bro sorry for not be able to help

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What is the domain of y= tan(x)?

Anika [276]

Answer:

Step-by-step explanation:

The domain of the function y=tan(x) ) is all real numbers except the values where cos(x) is equal to 0 , that is, the values π2+πn for all integers n . The range of the tangent function is all real numbers.

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3 years ago

I am trying to figure this question: 1 + tan^2A = Sec^2A

chubhunter [2.5K]

Answer:

see explanation

Step-by-step explanation:

Using the Pythagorean identity

cos²A + sin²A = 1 ( divide terms by cos²A )

$\frac{cos^2A}{cos^2A}$ + $\frac{sin^2A}{cos^2A}$ = $\frac{1}{cos^2A}$ , that is

1 + tan²A = sec²A ← as required

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2 years ago

Jenny has been saving quarters in a piggy bank since she was born. She currently has 192 quarters in her piggy bank. She wants t

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She needs to save an additional 108 quarters.

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3 years ago

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Solve for x 6.78x - 5.2 = 4.33x + 2.15 HELPPP

Yuri [45]

Answer:

x = 3

Step-by-step explanation:

6.78x - 5.2 = 4.33x + 2.15

6.78x - 4.33x = 5.2 + 2.15

2.45x = 7.35

x = 7.35/2.45

x = 3

Thus, The value of x is 3

-TheUnknownScientist

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2 years ago

find the dimensions of a rectangle whose width is 5 miles less than its length and whose area is 66 square miles

Lyrx [107]

A = l * w
66 = l * (l - 5)
66 = $l^{2}$ -5l
0 = $l^{2}$ -5l - 66

l = 11 or 6 check which works.

A = 11 * 6, which fits.

length = 11 miles
width = 5 miles

4 0

3 years ago

Solve the question.​

Solve the question.