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enyata [817]
4 years ago
6

Sin (3pi/4) =_____ please help!!!

Mathematics
2 answers:
Jlenok [28]4 years ago
5 0

Answer:

That is asking you to find the sine of (3/4) PI radians.

If you look at the attached graphic, you will see that (3/4) PI radians = 135 degrees

Going to this calculator, we see that the sine of 135 degrees is 0.70711

https://www.1728.org/trigcalc.htm

Step-by-step explanation:


finlep [7]4 years ago
4 0

sin\frac{3}{4}\pi=sin(\pi-\frac{\pi}{4})=sin\frac{\pi}{4}=\frac{\sqrt2}{2}

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2 years ago
A job applicant estimates that his chance of passing a qualifying examination is , and his chance of being appointed if he does
Brilliant_brown [7]

The probability that he will receive the job will be 1 / 6

The complete question is given below:-

A job applicant estimates that his chance of passing a qualifying examination is 2/3, and his chance of being appointed if he does pass is 1/4. What is the probability that he will receive the job?

<h3>What is probability?</h3>

Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

It is given that:

The chance of passing a qualifying examination is 2/3=P

and chance of being appointed, if he does pass, is 1/4=P'

Now, we are asked to find the probability that he will receive the job.

We are asked to find the probability that he will receive the job.

The probability is calculated as The probability that he qualify the exam×Probability that he is being appointed.

=P×P'

=(2/3)×(1/4)

=1/6

Therefore the probability that he will receive the job will be 1 / 6

To know more about probability follow

brainly.com/question/24756209

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How do you solve with deiamals.
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Line up the decimal points in your two numbers before you start. That way, the decimal point in the answer will go immediately below the two in the sum.
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