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Mathematics

1 answer:

Zina [86]2 years ago

6 0

Answer:

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Tan + Cos / 1 + Sin = Sec

yaroslaw [1]

$\tan x+\frac{\cos x}{1+\sin x}\\\\ =\frac{\sin x}{\cos x}+\frac{\cos x}{1+\sin x}\\\\=\frac{\sin x(1+\sin x)+\cos^{2} x}{\cos x(1+\sin x)}\\\\=\frac{\sin^{2} x+\cos^{2} x+\sin x}{\cos x(1+\sin x)}\\\\=\frac{1+\sin x}{\cos x(1+\sin x)}\\\\=\frac{1}{\cos x}\\\\=\sec x$

7 0

2 years ago

What is 7/2 divided by 49/4?

ruslelena [56]

Answer:

$\frac{2}{7}$

Step-by-step explanation:

$\frac{7}{2}$ ÷ $\frac{49}{4}$ needs to be flipped and multiplied.

It will become $\frac{7}{2}$ · $\frac{4}{49}$ .

Simplify the fractions by replacing 7 with 1 and 49 with 7, since 7 is 1/7 of 49. Then, turn the 2 into a 1 and the 4 into a 2, since 2 is half of 4.

You will be left with 1 · $\frac{2}{7}$ , which equals $\frac{2}{7}$

4 0

3 years ago

How to find the lowest common factor

Nuetrik [128]

I suggest you to go watch this video
https://www.youtube.com/watch?v=3W8SeYgZcMo

and you could also use the prime factorization method
where u list all the prime factorization for every number and find the common one

8 0

3 years ago

Select the number of solutions for each system of two linear equations.

wariber [46]

Answer:

I don't know if I understood correctly but there can be 0, 1, 2, etc, or infinite solutions

Step-by-step explanation:

5 0

2 years ago

The distance from point A to point B is

Sedaia [141]

The answer will be B-A
2-(-5)
(- -)=+
2+5=7
The answer will be 7