Basic Mathematics for Television and Radio |
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Σελίδα 173
Scientists endeavor to keep them as few in number and as simple as possible , attempting to prove or disprove every statement by argument or reason , in order to check their observations in every possible way .
Scientists endeavor to keep them as few in number and as simple as possible , attempting to prove or disprove every statement by argument or reason , in order to check their observations in every possible way .
Σελίδα 257
Since points D and A coincide , there is only one solution ( always possible if angle A is acute ) . Triangle ACB is isosceles , with AC = BC . Case 3 : a > b The construction is the same and is always possible .
Since points D and A coincide , there is only one solution ( always possible if angle A is acute ) . Triangle ACB is isosceles , with AC = BC . Case 3 : a > b The construction is the same and is always possible .
Σελίδα 297
In power work , a is kept as small as possible , say 10 ° ; in a choke coil a is as large as possible , say 85 ° . Suppose a is 20 ° ; the graph is as shown in Fig . 34-23 , and the equation of the current is or i i = I sin ( wt 20 ...
In power work , a is kept as small as possible , say 10 ° ; in a choke coil a is as large as possible , say 85 ° . Suppose a is 20 ° ; the graph is as shown in Fig . 34-23 , and the equation of the current is or i i = I sin ( wt 20 ...
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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