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Goshia [24]
3 years ago
12

A right triangle has an angle with a sine of 0.6. What is the cosine of the angle?

Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0

D 0.8

sin^2(x)+cos^2(x)-1

if x=0.6

then 0.6^2+cos(x)=1

cos^2=1-0.36=0.64

cos(x)=±0.8

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Step-by-step explanation:

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Describe 2 ways you could evaluate 37% of the sum of 27 3/5 and 15/9  
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6 0
3 years ago
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Could someone help me on this
allochka39001 [22]

Answer:

13.) 314.2 in²

15.) 181.5 ft²

Step-by-step explanation:

The area of a circle is found using the equation:

A = πr²

In this equation, "π" represents the number pi (3.14....) and "r" represents the radius (half the diameter).

For 13.), you have been given the radius. Thus, you can substitute it into the equation and solve for "A".

A = πr²

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For 15.), you have been given the diameter. To find the radius, you need to divide this value by 2. Once you find the radius, you can plug it into the equation and simplify like above.

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8 0
2 years ago
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