Basic Mathematics for RadioPrentice-Hall, 1948 - 339 σελίδες |
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Σελίδα 208
... drawn to scale , the line PR will represent the vertical pull , and PS the horizontal pull . These lines , then ... drawn ; merely the right triangle PQS is indicated . This application will be enlarged upon in the study of trigonometry ...
... drawn to scale , the line PR will represent the vertical pull , and PS the horizontal pull . These lines , then ... drawn ; merely the right triangle PQS is indicated . This application will be enlarged upon in the study of trigonometry ...
Σελίδα 212
... drawn across the parallels makes an angle of 45 ° with the perpen- dicular at its upper extremity . What distance does this line cut off from the foot of the perpendicular ? 76. If , from a point within a right angle , perpendiculars ...
... drawn across the parallels makes an angle of 45 ° with the perpen- dicular at its upper extremity . What distance does this line cut off from the foot of the perpendicular ? 76. If , from a point within a right angle , perpendiculars ...
Σελίδα 214
... drawn . Suppose a given map is drawn to the scale of How many miles are represented by 7 inches ? inch to the mile . 106. A map of the world is to be drawn on a sheet 8 by 11 inches . What scale should be used ? 107. A map of New York ...
... drawn . Suppose a given map is drawn to the scale of How many miles are represented by 7 inches ? inch to the mile . 106. A map of the world is to be drawn on a sheet 8 by 11 inches . What scale should be used ? 107. A map of New York ...
Περιεχόμενα
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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a-c circuit adjacent angles algebraic amperes answer arithmetic Axiom base bisector called central angle Chapter Check chord circle circumference coefficient complex numbers congruent Construct COROLLARY cosine curve decibel decimal point denominator diameter distance divided division divisor Draw engineering equation EXAMPLES exponent expression factors figure formula fraction functions geometry given inches inscribed interior angles intersecting isosceles length logarithms magnitude mathematical measure monomial Multiply negative number nth root obtained Ohm's law ohms parallel parallelogram perpendicular polygon polynomial positive Postulate problems Prove Pythagorean theorem quadratic quantity quotient radians radio radius ratio regular polygon represent resistance right angle right triangle rotation Simplify sine wave slide rule solution Solve square root Statement straight line subtract surds tangent Theorem triangle ABC trigonometric functions trigonometry unit velocity vertex vertical voltage volts zero