Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 173
... possible way . Similarly , we should accept as obvious as little as possible , attempting to prove every statement by some mathematical reasoning based on things already known . POSTULATES 1. A straight line is the shortest line that ...
... possible way . Similarly , we should accept as obvious as little as possible , attempting to prove every statement by some mathematical reasoning based on things already known . POSTULATES 1. A straight line is the shortest line that ...
Σελίδα 257
... 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 . If ZA is acute , only one triangle satisfies the conditions . If ZA is 90 ° , there are two ...
... 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 . If ZA is acute , only one triangle satisfies the conditions . If ZA is 90 ° , there are two ...
Σελίδα 297
... 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 ° ) - = I sin wt π ( ut ) If this sine ...
... 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 ° ) - = I sin wt π ( ut ) If this sine ...
Περιεχόμενα
CHAPTER PAGE 1 ADDITION SUBTRACTION MULTIPLICATION AND DIVISION IN ARITHMETIC | 3 |
DEFINITIONS AND SYMBOLS | 12 |
INVOLUTION AND EVOLUTION IN ARITHMETIC | 15 |
Πνευματικά δικαιώματα | |
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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