A Treatise on Elementary TrigonometryMacmillan & Company, 1885 - 274 páginas |
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Página 6
... drawn from the vertex to the base of an isosceles triangle whose equal sides are 10 feet each , and whose base is 12 ... Draw AD perpendicular to BC . Then because the triangle ABC is isosceles AD will bisect the base BC in D ; therefore ...
... drawn from the vertex to the base of an isosceles triangle whose equal sides are 10 feet each , and whose base is 12 ... Draw AD perpendicular to BC . Then because the triangle ABC is isosceles AD will bisect the base BC in D ; therefore ...
Página 8
... drawn from the vertex to the base ? ( 9 ) Show that the perpendicular drawn from the right angle to the hypotenuse in an isosceles right - angled triangle , each of whose equal sides contains a feet , is No2 2 a ft . ( 10 ) If the ...
... drawn from the vertex to the base ? ( 9 ) Show that the perpendicular drawn from the right angle to the hypotenuse in an isosceles right - angled triangle , each of whose equal sides contains a feet , is No2 2 a ft . ( 10 ) If the ...
Página 12
... drawn from an angular point to the opposite side . Here ( as in Example 2 , p . 6 ) , let the perpendicular contain x feet , then 1 ft . 2 ft . x ft . x2 sq . ft . = 22 sq . ft . - 12 sq . ft . , .. x2 = 4-1 = 3 , ..x = √3 , = 1.7320 ...
... drawn from an angular point to the opposite side . Here ( as in Example 2 , p . 6 ) , let the perpendicular contain x feet , then 1 ft . 2 ft . x ft . x2 sq . ft . = 22 sq . ft . - 12 sq . ft . , .. x2 = 4-1 = 3 , ..x = √3 , = 1.7320 ...
Página 25
... drawn in each case from the turn- ing point towards the right . 1. +3 right angles . 7 . - 10 right angles . 2 . +5 right ... draw . ( iii ) It is an angle whose size is very familiar . 45. The right angle is a large angle , and it is ...
... drawn in each case from the turn- ing point towards the right . 1. +3 right angles . 7 . - 10 right angles . 2 . +5 right ... draw . ( iii ) It is an angle whose size is very familiar . 45. The right angle is a large angle , and it is ...
Página 44
... draw PM perpendicular to the other line OR . Then , in the right - angled triangle OPM , formed from the angle ROE , ( i ) the side MP , which is opposite the angle under considera- tion , is called the perpendicular ; ( ii ) the side ...
... draw PM perpendicular to the other line OR . Then , in the right - angled triangle OPM , formed from the angle ROE , ( i ) the side MP , which is opposite the angle under considera- tion , is called the perpendicular ; ( ii ) the side ...
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Términos y frases comunes
algebraical angle of elevation angle ROP ARITHMETIC Assistant-Master base BOOK Cambridge centre circle circular measure circumference Clifton College common logarithms cos² cos³ cosec cosine Crown 8vo decimal diameter Draw PM Edited by Rev ELEMENTARY TREATISE English equal equation Eton College Example Express Extra fcap feet Fellow of St Fellow of Trinity Find the angle Find the number formulæ fraction GEOMETRY Globe 8vo grades GRAMMAR Greek Hence HISTORY hypotenuse inscribed Introduction and Notes J. P. MAHAFFY John's College late Fellow LATIN length LL.D logarithms magnitude Mathematics miles negative numerous Illustrations observed Owens College Oxford perimeter perpendicular positive PRIMER Professor prove Quadrant radians radius regular polygon revolving line right angle School sides significant figures sin² sin³ sine student subtends tangent tower triangle ABC Trigonometrical Ratios Trinity College University yards
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