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Svetlanka [38]
3 years ago
14

1. Suppose that cos B = 0.68. What is the value of sin(a)? Explain.

Mathematics
1 answer:
Papessa [141]3 years ago
5 0

The value of Sin(a) suppose that Cos B = 0.68 in which case, a + B = 90° is; 0.68.

<h3>Trigonometry</h3>

First, when we have two angles, whose sum equals, 90°.

In essence, Since the algebraic sum of angles A and B is 90°;

  • A + B = 90.

  • B = 90 -A.

By trigonometric identity;

  • Sin A = Cos (90 - A)

Where; (90 - A) = B.

Therefore; Sin A = Cos B = 0.68.

Read more on trigonometry;

brainly.com/question/20519838

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About when does the softball reach its maximum height?
Masja [62]

Based on the given graph, the time when the softball reaches its maximum height is about 1.8 seconds.

<h3>When is the softball at it highest?</h3>

The softball is at its maximum height at the point where the curve begins to go back down.

This means the maximum height is 50 feet.

The time when this softball reaches this height is between 1 and 2 seconds at 0.8.

The time the softball reaches its maximum height is therefore 1.8 seconds.

Find out more on maximum height at brainly.com/question/23144757

#SPJ1

7 0
2 years ago
Pa tulong po pleasee
astraxan [27]

Answer:

1. 7

2. 54÷2=27

only this I know please put brainlest

5 0
3 years ago
Read 2 more answers
How do u solve -2 + (-3)
shtirl [24]
-5 because a negative plus a negative is a positive this is why it is the right answer
3 0
3 years ago
I need help! Please no link answer :(
stiks02 [169]

Answer:

B. 30

Step-by-step explanation:

Given.:

m<4 = 2x°

m<5 = 4x°

Required:

Value of x

Solution:

<4 and <5 are angles in a straight line, therefore:

m<4 + m<5 = 180°

Substitute

2x + 4x = 180°

6x = 180°

x = 180/60

x = 30

3 0
3 years ago
Please solve all problems and show work
Setler [38]
46. 6*3=18 hence x=9*3=27 (ratio is 3:1)
47. x=8 clearly 2:1 ratio.
48.ratio is 1/3 hence, x=9/3=3
49.7:1 ratio. so, x=70
I hope you got the hang of it. so do the last two yourself.
6 0
4 years ago
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