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dimaraw [331]
4 years ago
10

Sin a ______ = 1/2 [ sin ( a + b ) + sin ( a - b) ]

Mathematics
1 answer:
Neko [114]4 years ago
6 0

Answer:

Cos b

Step-by-step explanation:

1/2[sin(a+b)+sin(a-b)]

1/2[sin a cos b +cos a sin b + sin A cos B - cos A sin B]

1/2[2sin a cos b]

sin a cos b

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Translating Verbal Phrases To Algebraic Expression/Equations
Stells [14]

Answer:

Step-by-step explanation:

I think you wish is:

6(x - y) = 12

I hope I've helped you.

3 0
3 years ago
Greg installed a circular drain that has a diameter of 4.8 inches. To the nearest tenth of an inch what is circumference of the
My name is Ann [436]

The circumference of the drain to the nearest tenth is 15.10 inches.

<h3>What is the circumference?</h3>

The circumference of the drain is the distance round the drain. Since the drain has the shape of a circle, the formula used to determine the circumference of a circle would be used to determine the circumference of the drain.

Circumference of the drain = πd

3.14 x 4.8 =15.10 inches

To learn more about how to determine the circumference of a circle, please check: brainly.com/question/14351152

#SPJ1

6 0
2 years ago
Which expression is equivalent?
MrMuchimi

Answer:

The Third one.

Step-by-step explanation:

So, Turn the mixed number, 2 1/4, to an improper fraction, 9/4. Then match the answer!

If you need anything else, just message me!

Have a nice day! :)

8 0
2 years ago
A large manufacturing firm tests job applicants who recently graduated from college. The test scores are normally distributed wi
anzhelika [568]

Answer:

lowest score a college graduate must earn to qualify for a responsible position is 578

correct option is D. 578

Step-by-step explanation:

given data

mean = 500

standard deviation = 50

distribution = 6 %

to find out

What is the lowest score a college graduate must earn to qualify for a responsible position

solution

we know that here Probability P that is express as

P ( Z > x ) = 100% - 6%      .....................1

so with the help of normal table

here value of Z is =  1.55 from cumulative probability 0.94

so by z score formula here x will be

x = z × standard deviation +  mean    ................2

so put here value

x = 1.55 × 50 + 500

x = 577.7387 ~ 578

so lowest score a college graduate must earn to qualify for a responsible position is 578

8 0
4 years ago
What is the second step in solving this equation by completing the square 3x^2+14x+8=0
Trava [24]
The second step is to keep your x terms on the left and move the constant to the right by subtracting it from both sides.
8 0
3 years ago
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