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Mekhanik [1.2K]
3 years ago
6

URGENT!! PLEASE ANSWER!! Find all solutions to the equation. sin^2x + sin x = 0

Mathematics
1 answer:
Tju [1.3M]3 years ago
4 0

Answer: Explanation:

We have:

sin

2

(

x

)

+

sin

(

x

)

=

0

;

[

0

,

2

π

)

⇒

sin

(

x

)

(

sin

(

x

)

+

1

)

=

0

⇒

sin

(

x

)

=

0

⇒

x

=

0

,

(

π

−

0

)

,

(

π

+

0

)

,

(

2

π

−

0

)

or

⇒

sin

(

x

)

+

1

=

0

⇒

sin

(

x

)

=

−

1

⇒

x

=

π

+

π

2

⇒

x

=

0

,

3

π

2

,

π

Step-by-step explanation:

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Anuta_ua [19.1K]

Answer:

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Step-by-step explanation:

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6 0
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omeli [17]
We solve the as follows:

<span>1. Solve proportion 12/15 = 18/b
</span>( 12/15 = 18/b ) b<span>
( 12b/15 = 18 ) 15/12
b = 18(15/12)
b = 45/2

2. Solve equations 

A. -x + 4 = x +6 
</span>-x + 4 - x = x +6 - x
<span>-2x + 4 - 4 = 6 - 4
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B. 5n + 7 =7(n+1) -2n 
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C. -4(p+2) + 8 = 2(p-1) - 7p + 15
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3. Solve a/b x - c = 0 for x 
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A circle has a radius of 20 centimeters and a central angle that measures 216 degrees. What is the length of the arc defined by
Bumek [7]

Answer:4320cm

Step-by-step explanation:

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lengthof the arc/20=216

lengthof the arc=216×20

length of the arc=4320cm

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2 years ago
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