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Setler [38]
2 years ago
7

Find the exact value of cos(arcsin(one fourth))

Mathematics
1 answer:
bija089 [108]2 years ago
5 0
Cos[arcsin(1/4)]
First let's calculate arcsin(1/4)

arcsin(1/4) = 14.47751

2nd) cos(14.47751) = 0.968
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Answer: 5 seconds

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

Maximum height is the y-value of the vertex. The number of seconds at maximum height is the x-value (aka axis of symmetry).

h(x) = -2x² + 20x + 48

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Axis of symmetry: x = \frac{-b}{2a}

                                 = \frac{-20}{2(-2)}

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                                 = 5

     

8 0
3 years ago
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