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stiv31 [10]
3 years ago
6

Please answer the question quickly

Mathematics
1 answer:
Zina [86]3 years ago
6 0

Answer:

D

Step-by-step explanation:

You can already knock out the first two because you cant have negative feet. If you line the vertex (1) with the parabola, you can see that the vertex lines up with 16. You round that up and your answer should be 20

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Solve for sin3theta​
aniked [119]

Answer:

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Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given    sin 3 θ  

            =  sin ( 2θ + θ )

apply trigonometric formula

       <em>  sin ( A + B) = sin A cos B + cos A sin B </em>

<em>         sin 2 A = 2 sin A cos B</em>

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<u><em>Step(ii):</em></u>-

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               =  sin 2θ cosθ +  cos2θ sin θ

              = 2 sin θ cos θ cos θ +( 1 - 2 sin² θ )sin θ

              = 2 sin θ (cos² θ ) + sin θ- 2 sin³ θ

              = 2 sin θ ( 1- sin²θ) + sin θ- 2 sin³ θ

              = 2 sin θ - 2sin³θ +  sin θ- 2 sin³ θ

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<u><em>Final answer</em></u> :-

 sin 3 θ  = 3 sin θ  - 4 sin³θ

                             

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The slope intercept form of the equation 4x - y = -1
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Answer:

y=4x-27

Step-by-step explanation:

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