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AURORKA [14]
3 years ago
14

Find the exact value of sin

Mathematics
1 answer:
kvv77 [185]3 years ago
7 0
The inverse value of sin⁻¹(A) = Ф° , is sin(Ф) = A


sin(Ф°) = (-√3)/2 THAT MEANS Ф = -60° OR Ф = 300°
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Answer:

Step-by-step explanation:

To solve this problem you need the function

 

h(t) = -16t2 + v0t + h0

where t = time

v0 is the initial velocity, which in our case is 0

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h(t) = 0 since we want to know when the ball will hit the ground.

 

0 = -16 t2 + 256

 

And we can solve for t

 

If we rearrange the terms we see that this is a difference of 2 squares

0 = 256 - 16t2

 

0 = (16-4t)(16+4t)

Setting each factor = 0

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The second solution is discarded as time cannot be negative.

 

So the ball will hit the ground in 4 seconds.

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Figure B

Step-by-step explanation:

4 0
3 years ago
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