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Aliun [14]
3 years ago
10

a school has 2 computer labs.Each lab has 30 computers. A total of 6 computers in the school are not working. which experission

can you use to find the number of working computers i the school
Mathematics
2 answers:
serg [7]3 years ago
6 0

Answer:

54

Step-by-step explanation:

2 times 30 =60 - 6 =  54

i think

jasenka [17]3 years ago
3 0

Answer:

30(2)-6

Step-by-step explanation:

30 computers in 2 labs minus the 6 broken computers.

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The trig functions that you need to deal with are
Sine
Cosine
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You need to write a single expression using all six trig functions such that the value of the expression equals 3.

To make this as simple as possible, the first thing I would do is look up the values of these functions and identify which ones are equal to either 1/2 or 1.0 or 2.0

sin(30º) = 1/2
sin(90º) = 1
cos(0º) = 1
cos(60º) = 1/2
tan(45º) = 1
csc(30º) = 2
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sec(0º) = 1
sec(60º) = 2
cot(45º) = 1

If we only had to use three trig functions (sin, cos, tan), one possibility is
tan(45º) + cos(0º)/sin(30º) = 1 + 1/(1/2) = 1 + 2 = 3
noticed how I chose one each of the required functions and the operations so that the result = 3.

Now it is up to you to figure out how to combine all six trig functions so that they equal zero. There are many possibilities for you to choose from..
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