Basic Mathematics for Television and Radio |
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Σελίδα 275
It has been known for many years that the trigonometric functions or expressions called the sine ( pronounced like sign ) and cosine curves may be used to represent the actions or pulsations of voltage and cur- rent in an alternating ...
It has been known for many years that the trigonometric functions or expressions called the sine ( pronounced like sign ) and cosine curves may be used to represent the actions or pulsations of voltage and cur- rent in an alternating ...
Σελίδα 300
If a horizontal axis is drawn through the point y 0.5 , the sine squared curve is a sine wave of twice the frequency of the fundamental sine wave . = 4. Similar observations may be made for the cosine wave . 5.
If a horizontal axis is drawn through the point y 0.5 , the sine squared curve is a sine wave of twice the frequency of the fundamental sine wave . = 4. Similar observations may be made for the cosine wave . 5.
Σελίδα 347
It does not , however , take account Figure 37-5 shows two possible of the effect of circuit resistance R. curves for two ... values of R. One more transformation of co - ordinates , however , will make the curve practically universal .
It does not , however , take account Figure 37-5 shows two possible of the effect of circuit resistance R. curves for two ... values of R. One more transformation of co - ordinates , however , will make the curve practically universal .
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CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
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algebraic angle answer applied arithmetic Axiom base called Chapter Check circle circuit circumference coefficient common complex condition Construct COROLLARY curve decimal definition denominator difference direction distance divided division Draw drawn electrical engineering equal equation example exponent expression fact factor figure formula fraction frequency functions geometry given greater illustrated inches indicated involved length letters logarithms magnitude mathematical means measure method Multiply necessary negative Note obtained ohms operation parallel perpendicular places polygon positive possible practice Problems Prove quadratic quantity quotient radio radius ratio represented resistance result right angle root rule shown sides similar Simplify sine solution Solve square statement straight line substituted subtract Theorem triangle unit unknown usually vertical voltage volts wave zero