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svetoff [14.1K]
4 years ago
5

Use a calculator to evaluate and give answer in radians rounded to 3 decimal places. cos-1 0.57

Mathematics
1 answer:
adelina 88 [10]4 years ago
4 0

Answer:

70.123 (when you round to 3 decimal places)

Step-by-step explanation:

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What is the frequency of the sinusoidal graph?
FrozenT [24]

Answer:

\boxed{f=\dfrac{3}{2\pi}}.

Step-by-step explanation:

Notice that the wave completes 3 oscillations at x=2\pi. This means that the period is:

T = \dfrac{2\pi}{3}.

Since the frequency is the reciprocal of the period, we get:

f= \dfrac{1}{T} = \dfrac{1}{2\pi/3} = \dfrac{3}{2\pi}.

So the frequency is:

\boxed{f=\dfrac{3}{2\pi}}.

5 0
4 years ago
2y-1/-3 =-5 prove y=8 <br> What are the statements and reasons for this questions?
Paraphin [41]

Answer:

I will provide the steps below.

Step-by-step explanation:

First, You will need to plug in the 8.

2(8)-(1/-3)=-5  

Multiply

16-(-1/3)=-5

If we have two negitive it turns into possitive.

16+1/3=-5

16+1/3=-5

This statement is not true becuase if y=8 the equation will be (16+1/3)=5

*Make sure your giving me the right eqution otherwise this statment is false.*

8 0
3 years ago
What is 6 square divided by two times 3 plus 4
exis [7]
6² ÷ 2 (3) + 4

36/2 (3) + 4

18 (3) + 4

54 + 4

= 58.
7 0
3 years ago
Write the reciprocal of -8
butalik [34]

Answer:

1/-8

Step-by-step explanation:

You put the -8 into fraction form -8/1, and you switch the denominator and numerator and you get 1/-8 or -1/8. In decimal form that would be -0.125

3 0
3 years ago
What is higher .04 or 1/2?
Luba_88 [7]

1/2 is higher because 1/2=0.5

8 0
4 years ago
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