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natima [27]
3 years ago
10

Use Euler's formula to find the missing number.

Mathematics
1 answer:
frutty [35]3 years ago
6 0

Answer:

15

Step-by-step explanation:

trust me bro

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I NEED HELP PLEASE, THANKS! :)
NISA [10]

Answer:   \bold{b)\quad \dfrac{2\pi}{3},\dfrac{4\pi}{3},0}

<u>Step-by-step explanation:</u>

Note the following identities: tan² x = sec²x - 1

                                                 \sec x=\dfrac{1}{\cos}

tan² x + sec x = 1

(sec² x -1) + sec x = 1

sec² x + sec x - 2 = 0

(sec x + 2)(sec x - 1) = 0

sec x + 2 = 0     sec x - 1 = 0

sec x = -2          sec x = 1

\dfrac{1}{\cos x}=-2\qquad \dfrac{1}{\cos x}=1\\\\\cos x=-\dfrac{1}{2}\qquad \cos x=1\\\\x=\dfrac{2\pi}{3}, \dfrac{4\pi}{3}\qquad x=0

8 0
3 years ago
Read 2 more answers
Consider the system of equations:
Ann [662]

Answer:

X = 3x + 3

And

X = 4/3y + 4

This is from usatestprep

7 0
3 years ago
Find q if p = -12 and the quotient p/q = -3.
Klio2033 [76]

Answer:

The answer is B) 4

Explanation:

A negative times a negative equals a positive so options A and C are wrong.

-12 divided by 1/4 equals -48

7 0
3 years ago
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Can someone help me find x.
Harman [31]

Answer:

Step-by-step explanation:

6x+9=63

6x=63-9

6x=54

x=54/6

x=9

I encourage you to figure out the justification yourself.

8 0
3 years ago
Is each question Statistical or Not statistical to classify each question.
wariber [46]
Q 1. 1,776 and  1,396

q 2. 1,250

q 3. 3.5 million
7 0
3 years ago
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