Basic Mathematics for Television and RadioPrentice-Hall, 1953 - 405 σελίδες |
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Σελίδα 42
... direction , for example -4 amperes or +4 amperes . When no sign stands before a number , the plus sign is always under- stood . The minus sign is never omitted . In radio work , when the sign is of no importance and only the absolute ...
... direction , for example -4 amperes or +4 amperes . When no sign stands before a number , the plus sign is always under- stood . The minus sign is never omitted . In radio work , when the sign is of no importance and only the absolute ...
Σελίδα 43
... direction , and an answer of -3 amperes means the same amount of current flow but in an opposite direction . If the direction is of no importance , it is customary to write the number in the form [ 3 ] , the parallel vertical lines ...
... direction , and an answer of -3 amperes means the same amount of current flow but in an opposite direction . If the direction is of no importance , it is customary to write the number in the form [ 3 ] , the parallel vertical lines ...
Σελίδα 44
... direction ( that is , in the direction . opposite to that indicated by the sign + before 1 ) , and is ( +2 ) . 2. The result of subtracting ( -1 ) from ( +3 ) is found by counting from ( +3 ) one unit in the positive direction , and is ...
... direction ( that is , in the direction . opposite to that indicated by the sign + before 1 ) , and is ( +2 ) . 2. The result of subtracting ( -1 ) from ( +3 ) is found by counting from ( +3 ) one unit in the positive direction , and is ...
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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Συχνά εμφανιζόμενοι όροι και φράσεις
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