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Monica [59]
3 years ago
13

For which acute angle are the sine of the angle and cosine of the angle equal?

Mathematics
2 answers:
cestrela7 [59]3 years ago
7 0
Your answer is 45 hope this helps c;
pogonyaev3 years ago
7 0

Answer:

45º

Step-by-step explanation:

Acute angles are the angles which are less than 90 degrees.

All the given angles are less than 90 degrees and hence are acute angles.

Now, we need to find for which obtuse angle of sine and cosine are equal.

Now, we know the relation

sin(90-\theta)=\cos\theta

So, if \theta=45^{\circ} then

sin(90-45)^{\circ}=\cos45^{\circ}\\\\sin45^{\circ}=\cos45^{\circ}

Therefore, for 45º the sine and cosine values are equal.

\sin45^{\circ}=\frac{1}{\sqrt2}\\\\\cos45^{\circ}=\frac{1}{\sqrt2}

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Flauer [41]

Answer:

• For this one we need to split this problem into two equations:

• a (adults) + c (children) = 560

• 2a + c = $860

• Then we substitute 560 - a for c in the second equation.

  • 2a + 560 - a = 860
  • 2a + 560 = 860
  • 2a = 530
  • 2a = 265

• Then we plug this into the first equation:

  • 265 + c = 560

  • c = 295

Step-by-step explanation:

<h2>I hope this helps you !! </h2>
5 0
2 years ago
SELECT ALL the expressions that are equivalent to -2(4 - 3x) + (5x - 2)
erma4kov [3.2K]

Answer:

Option B, c and e are the correct

7 0
3 years ago
Which property should Remus use to solve the equation below? 7 q = 49 division property of equality addition property of equalit
AysviL [449]

The division property of equality should Remus used to solve the given equation and this can be determined by using the given data.

Given :

Equation is 7q = 49.

The following steps can be used in order to determine the property that Remus use to solve the given equation:

Step 1 - Write the given equation.

7q = 49

Step 2 - The arithmetic operations can be used in order to evaluate the given equation.

Step 3 - Using the division property of equality the value of 'q' can be determined.

q = \dfrac{49}{7}

q = 7

Therefore, the correct option is A).

For more information, refer to the link given below:

brainly.com/question/11897796

6 0
2 years ago
Read 2 more answers
Solve when m = 7 and k = 2<br><br> 6m- 3k<br><br> A.30<br> B.21<br> C.36<br> D.35
NARA [144]
Agree with the one at the top it’s 36
6 0
3 years ago
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A circular disc has a circumference of 16pi meters. if we multiply the radius of the circular disc is by 10, what is the circumf
Flauer [41]

The circumference of the new disc 160Π that is 10 time of old circumference.

Step-by-step explanation:

Given,

Circumference of circular disc = 16Π (pi = Π)

Let, the radius of the circle be 'r'

Formula

The circumference of a circle with r radius = 2 Π r

According to the problem,

2 Π r = 16Π

or, 2r = 16 ( by eliminating the value of Π from both the side)

or, r = 8

Now, we multiply the radius by 10

so, the new radius is 8 X 10 = 80

Now the circumference = 2 Π X 80

= 160Π

Hence, the new circumference also will be 10 times of the older one.

6 0
3 years ago
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