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olga2289 [7]
3 years ago
13

What are the variables and units?

Mathematics
1 answer:
anyanavicka [17]3 years ago
6 0
A variable is any characteristics, number, or quantity that can be measured or counted.
A unit is measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
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Find the exact values of cos 3 pi/4 radians sin 3 pi/4 radians HELP!
bixtya [17]
In degrees: 3π/4 radians = 135°
Angle of x=135° is in the 2nd Quadrant and has negative cos x values and positive sin x values.
cos 135° = cos ( 90° + 45°)= - sin 45° =- \frac{ \sqrt{2} }{2}
sin 135° = sin ( 90° + 45° ) = cos 45° =\frac{ \sqrt{2} }{2}. You can also see the graph in the attachment. 
Download docx
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3 years ago
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3 years ago
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How could I write the fractions 1/2 2/5 6/10 from least to greatest
guapka [62]
1/2=5/10
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6/10
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