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Romashka [77]
3 years ago
8

Cos 0 = 12/13. Find sin 0. A. 5/12 B. 12/5 C. 13/12 D. 5/13

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
8 0

Answer:

Sine θ = 5/13

Step-by-step explanation:

From the question given above, the following data were obtained:

Cos θ = 12/13

Sine θ =?

Next, we shall determine the opposite. This can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos θ = 12/13

Adjacent = 12

Hypothenus = 13

Opposite =?

Hypothenus² = Opposite² + Adjacent²

13² = Opposite² + 12²

169 = Opposite² + 144

Collect like terms

169 – 144 = Opposite²

25 = Opposite²

Take the square root of both side

Opposite = √25

Opposite = 5

Finally, we shall determine the Sine θ. This can be obtained as follow:

Opposite = 5

Hypothenus = 13

Sine θ =.?

Sine θ = Opposite / Hypothenus

Sine θ = 5/13

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Answer:

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Step-by-step explanation:

-2 (3a – 2) = 1/3(7 – 3a)

is whats the question

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7 0
3 years ago
The area of right angled triangle with its legs are 6cm and 8cm is equal to​
aalyn [17]

Answer:

A = 24 cm^2

Step-by-step explanation:

The area of a triangle is

A = 1/2 bh

A = 1/2 (6)*8

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4 0
3 years ago
Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay
lys-0071 [83]
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7 0
4 years ago
Please help with that two math problems. I'll give brainly!
Serhud [2]

Answer:

the first one is 9 the second one is 12

Step-by-step explanation:

opposite sides of parallelograms are the same length

first one: 2x-1= x+8

2(9) -1 = 18-1 =17

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3 years ago
Use the Quadratic Formula
dem82 [27]

Answer:

1/2 and 3

Step-by-step explanation:

The quadratic formula is as given:

 (  -b±√(b^2-4ac)  )/2a

To use it, plug in the a,b and c values.

ax^2+bx+c

In this case a is equal to 2, b is equal to -7, and c is equal to 3

plugging it into our formula gives us:

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Which is equal to:

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3 0
3 years ago
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