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pogonyaev
3 years ago
8

Prove the following please help

Mathematics
1 answer:
zhenek [66]3 years ago
7 0

Step-by-step explanation:

1. cos x sec x

Secant is the inverse of cosine.

= cos x (1 / cos x)

= 1

2. sin x csc x

Cosecant is the inverse of sine.

= sin x (1 / sin x)

= 1

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Topic: Absolute Value Equations and Inequalities
jolli1 [7]

The values of  x are -22 and -2 and there are not extraneous solutions

<h3>How to solve the equation?</h3>

The equation is given as:

2|x + 7|= x - 8

Expand the absolute bracket

|2x + 14|= x - 8

Remove the absolute bracket

2x + 14 = x - 8 and 2x + 14 = -x + 8

Evaluate the like terms

x = -22 and 3x = -6

This gives

x = -22 and x = -2

Hence, the values of  x are -22 and -2 and there are not extraneous solutions

Read more about absolute value expressions at:

brainly.com/question/24368848

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4 0
1 year ago
Please I need help quickkkkkkkk
spin [16.1K]

Answer:

25 feet per second.

Step-by-step explanation:

Divide 75ft by 3se = 25ft per second.

6 0
3 years ago
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Law Incorporation [45]
A circle with a radius of 4cm sits inside a circle with a radius of 11cm
What is the area of the shaded region?
Round your final answer to the nearest hundredth.

Answer: 329.86 cm
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3 years ago
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fenix001 [56]

Answer:

A

Step-by-step explanation:

5 0
3 years ago
Y divide 2 x 4 - 10 divide x + 6 where x = 5 and y = 16
Eva8 [605]

16/2x4-10/5+6

8x4-10/5+6

32-10/5+6

32-2+6

30+6

36

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3 years ago
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