MATHEMATICS MIDDLE SCHOOL

Functions of angles, I need help

Answers

Answer 1

Answer:

Answer:

The Third Choice

Step-by-step explanation:

In this question, we have to compare the sine of angle A and the cosine of angle B. As a review, the sine function is

$\text{sine} = \frac{\text{opposite}}{\text{hypotenuse}}$

and the cosine function is

$\text{cosine} = \frac{\text{adjacent}}{\text{hypotenuse}}$ .

For angle A, side BC is the opposite side, while side AB is the hypotenuse. [The hypotenuse of a right triangle is the side that is opposite to the 90 degree angle. In this case, AB is the hypotenuse because it is opposite of angle C, which measures 90 degrees.]

Now, we can determine the sine of angle A.

$\text{sine(A)} = \frac{\text{BC}}{\text{AB}} = (4)/(5)$ .

For angle B, side BC is the adjacent side, while side AB is the hypotenuse.

Using this information, we can determine the cosine of angle B.

$\text{cosine(B)} = \frac{\text{BC}}{\text{AB}} = (4)/(5).$

As we can see, both the sine of angle A and the cosine of angle B have the same value. In other words, they are equal to each other. Therefore, the correct answer is the third choice.

Answer 2

Answer: The answer is the third one

Related Questions

What are the solutions to the equation x2 + 3 = 124? A. –3 and 3 B. –11 and 11 C. The equation has no solutions. D. –10 and 10
The sum of the roots of 8x^2- 2x
On average Luis burns about 90 calories for each mile that he jogs.If his typical jogging pace is about 7 minutes per mile, how long will he have to jog in order to burn 390 calories? Round your answer to the nearest whole minute if necessary.
Please help answer number 1 and write down how you did it
The length of a side of an equilateral triangle is x - 4.5. First express its perimeter as a sum. Next express its perimeter as a product. Explain why the two expressions are equivalent.

Can someone help me please?!??

Answers

i help u and i will tell u the answer and the is A

5 pizza cost $60. What will 9 cost

Answers

60 divided by 5 is 12, so one pizza is 12$. then do 9 times 12 and you'll get 108. so 9 pizzas cost 108$.

9 pizzas will cost $108. Use proportion to solve his problem.

5 60
    9    ?

   60 x 9
---------------
   5

60 x 9, then divide it by 5, and you get $108.

Compare the values of underlined digits. 6300 and 530

Answers

The value of 3 in 6300 is 10 times the value of 3 in 530.
This is because 530 is in the tens place and 6300 is in the hundreds place.

Just look at the two numbers carefully and see which ones are the same

Eric and Stephanie teach the younger sister Melissa to pick apples Eric picked four times as many apples as Melissa Stephanie pick six times as many apples as Melissa Eric and Stephanie pick 250 apples together draw a diagram to find the number of apples Melissa pit

Answers

Eric- 4m
Stephnie- 6m
Eric and Stephanie- 250
4m+6m=250
10m=250
Melissa- 25 apples

So basically I just typed up this equation on a word document and then solved it like normal. The final answer is Melissa picked 25 apples.

If y varies with x^2 and y=36, when x=3, what is y when x=5?

Answers

$y=k x^(2) \n 36=k * (3) ^(2) = 9k \n k=36/9=4$
Therefore, when x = 5,
$y=4 * (5)^(2) = 4*25 = 100$

Which are side lengths of quadrilateral PQRS? Checkall that apply.
PIO, 4)
Q(2, 4)
4 units
5 units
6 units
/13 units
4/2 units

Answers

Answer: 2 , 3 , & 4 are correct .

Answer: B, C, D EDGE2020-2021

Step-by-step explanation:

Other Questions

in class, matthew stated "i think that a negative is like an opposite. That is why multiplying a negative times a negative equals a positive. The opposite of negative is positive, so it is just like multiplying the opposite of a negative twice, which is two positives." Do you agree or disagree with this statement? What would you say in response to him?

Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher.how old is ishann?

A plants height is 1.6 times its age. Write an equation for the situation, where h is the plants height and y is the plants age

Please help and explain how