Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 160
... parallel , the formulas given below are used : I I I = R R1 where R Ꭱ . R2 = = = + R2 equivalent resist- where Z = ance first of parallel re- sistances second of parallel resistances I I I = + Z2 Ꮓ Ꮓ . equivalent impedance Z1 = first ...
... parallel , the formulas given below are used : I I I = R R1 where R Ꭱ . R2 = = = + R2 equivalent resist- where Z = ance first of parallel re- sistances second of parallel resistances I I I = + Z2 Ꮓ Ꮓ . equivalent impedance Z1 = first ...
Σελίδα 189
... parallel . This theorem can be proved by showing that if AB and CD are not parallel , they must meet , thereby making v or Zs less than a right angle , which is contrary to the given data . This method of proof is called Fig . 24-12 ...
... parallel . This theorem can be proved by showing that if AB and CD are not parallel , they must meet , thereby making v or Zs less than a right angle , which is contrary to the given data . This method of proof is called Fig . 24-12 ...
Σελίδα 191
... parallel . This theorem is the converse of Theorem 9. It can proved by show- ing that the only other possibility — namely , that AB and CD are not parallel - is absurd . COROLLARY I. Two straight lines cut by a transversal are parallel ...
... parallel . This theorem is the converse of Theorem 9. It can proved by show- ing that the only other possibility — namely , that AB and CD are not parallel - is absurd . COROLLARY I. Two straight lines cut by a transversal are parallel ...
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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a-c circuit adjacent angles algebraic amperes answer arithmetic Axiom base bisector called Chapter Check chord circle circumference coefficient complex numbers Construct COROLLARY cosine curve decibel decimal point denominator diameter distance divided division divisor Draw engineering equal example exponent expression factor figure formula fraction frequency functions geometry given graph impedance inches inscribed interior angles isosceles logarithms magnitude mathematical measure monomial Multiply negative number nth root obtained Ohm's law ohms parallel parallelogram perpendicular polygon polynomial positive Postulate Problems Prove quadratic quantity quotient R₁ radians radio radius ratio reactance regular polygon represented resistance resistor resonant right angle right triangle rotation Simplify sine wave slide rule solution Solve the equation square root straight line subtract tangent Theorem triangle ABC trigonometric functions trigonometry unit vector vertex vertical voltage volts zero