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lara
5 days ago
10

What is the relation between the sine and cosine values of angles in each quadrant? How would you use the 60° angle to find sine

and cosine of 120°, 240°, and 300°? What angles could we find sine and cosine for using information for π/4 and π/6?
Mathematics
1 answer:
Inessa [12K]5 days ago
3 0
The sine, cosine, and tangent functions for 60 degrees are equivalent to those for 120, 240, and 300 degrees. Angles of 30 degrees, 45 degrees, and 60 degrees can be paired with corresponding angles from different quadrants. The angles that possess unique sine, cosine, and tangent values are 90, 180, 270, and 360 degrees. The radian measure of π/4 can be calculated using the formula: π/4 * 180/π. The two π values will cancel, leading to: 180/4, which yields the degree measure. This same calculation can also be applied to π/6. Additionally, you can determine radians from degrees by multiplying the degree value by π/180 and then simplifying the fraction or radian as needed. The π will remain in your final result.
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babunello [11253]

To tackle this issue, we need to utilize the t statistic. This requires calculating the t score first and then consulting standard distribution tables to find the corresponding p value based on the obtained t score.

 

The formula for calculating the t score is:

t = (x – μ) / (σ / sqrt(n))

 

Where,

x = sample mean = 40

n = number of sample subjects = 16

s = standard deviation = 20

μ = Population Mean = 30

 

Plugging in the known values:

t = (40 – 30) / (20 / sqrt 16)

t = 10 / 5

t = 2

 

Utilizing the standard distribution tables and calculating the degrees of freedom, which is n – 1 = 15, we then find:

p = 0.032

6 0
1 month ago
On a coordinate plane, 2 rectangles are shown. Rectangle P Q R S has points (1, 1), (1, 5), (3, 5), (1, 5). Rectangle P double-p
Inessa [12078]

Answer:

The attached image provides the answer.

The previous response led me to a mistake, so I want to ensure you have the correct answer. ):)

Step-by-step explanation:

5 0
1 month ago
Read 2 more answers
The graphs of f(x) = 10x and its translation, g(x), are shown. On a coordinate plane, 2 exponential functions are shown. f (x) a
PIT_PIT [11856]

Answer:

g(x)=(10)^{x-3}

Detailed explanation:

* Let’s clarify the procedure for solving this problem

- An exponential function can be expressed as f(x)=a(b)^{x}, where

 a signifies the starting amount (x = 0), and b denotes the growth factor

- If b > 1, it qualifies as an exponential growth function

- If 0 < b < 1, it is categorized as an exponential decay function

- Horizontal translation to the right by h units results in the new function being g(x)=a(b)^{x-h}

- Conversely, if translated to the left by h units, the function modifies to g(x)=a(b)^{x+h}

 the new function will be

- A vertical upward shift by k units alters the function to g(x)=a(b)^{x}+k

- A vertical downward shift by k units means the new function accounts for g(x)=a(b)^{x}-k

* Now, let’s solve the problem

∵ f(x) is an exponential function

∵ The points (0, 1), (1, 10), (2, 100) are points of f(x)

- g(x) is the transformation of f(x)

∵ The points (3, 1), (4, 10), (5, 100) belong to g(x)

∵ The point (0, 1) on f(x) transforms to (3, 1) on g(x)

∵ The point (1, 10) on f(x) transforms to (4, 10) on g(x)

∵ The point (2, 100) on f(x) translates to (5, 100) on g(x)

∵ Notably, all y-coordinates of f(x) match those of g(x)

 indicating no vertical translation

∴ Hence, no vertical translation occurred

∵ The x-coordinates of f(x) are increased by

   3 units to yield the x-coordinates for g(x)

∴ This shows that f(x) is translated 3 units to the right

∵ f(x)=(10)^{x}

∴ g(x)=(10)^{x-3}

- Refer to the corresponding graph for greater clarity

# The red curve denotes f(x)

# The blue curve signifies g(x)

4 0
24 days ago
Read 2 more answers
Gary has 32 ounces of soda. He shares it with 3 of his friends., splitting the soda evenly into 4 cups. He drinks 8 ounces of so
Svet_ta [12222]

0 ounces remain; since he distributed it evenly among four individuals, each cup contained 8 ounces, meaning he consumed the entire cup.

8 0
15 days ago
Read 2 more answers
Town Hall is located 4.3 miles directly east of the middle school. The fire station is located 1.7 miles directly north of Town
PIT_PIT [11856]

Answer:

2.1 miles

Step-by-step explanation:

Refer to the attached illustration (you need to include all the mentioned locations and the distances between them),

enabling us to create a right triangle between the school and the hospital with side measures of: 1.7 and 1.2 miles

and the green line represents the direct path from the school to the hospital; thus, applying the Pythagorean theorem will yield the result:

\sqrt{1.7^2+1.2^2}\\=\sqrt{2.89+1.44}\\=\sqrt{4.33} \\ =2.081

When rounded to the nearest tenth:

2.1 miles

4 0
28 days ago
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