Practical TrigonometryE. Arnold, 1906 - 156 Seiten |
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Seite 7
... cosec - sin NP ON cos 0 = 1 OP = sec 0 = OP COS ON NP tan 0 1 ON - cot 0 = = ON ' tan 0 ΝΡ ' Note . In view of a distinction in Sign which will be made in Chap . IV . between the direction NP and the direction PN , it is preferable here ...
... cosec - sin NP ON cos 0 = 1 OP = sec 0 = OP COS ON NP tan 0 1 ON - cot 0 = = ON ' tan 0 ΝΡ ' Note . In view of a distinction in Sign which will be made in Chap . IV . between the direction NP and the direction PN , it is preferable here ...
Seite 41
... cosec 127 ° = = cosec ( 180 ° – 53 ° ) = + cosec 53 ° = 1 · 2521 ; cot 197 ° 24 ' = cot ( 180 ° + 17 ° 24 ′ ) = + cot 17 ° 24 ′ = 3 · 1910 . Example ( ii ) . Find the positive angles less than 360 ° which satisfy ( 1 ) tan0 = ' 4734 ...
... cosec 127 ° = = cosec ( 180 ° – 53 ° ) = + cosec 53 ° = 1 · 2521 ; cot 197 ° 24 ' = cot ( 180 ° + 17 ° 24 ′ ) = + cot 17 ° 24 ′ = 3 · 1910 . Example ( ii ) . Find the positive angles less than 360 ° which satisfy ( 1 ) tan0 = ' 4734 ...
Seite 49
... cosec 90 ° , sec 90 ° , cot 90 ° . ( ii ) sin 180 ° , cos 180 ° , tan 180 ° . ( iii ) cosec 180 ° , sec 180 ° , cot 180 ° . ( iv ) sin 270 ° , cos 270 ° , tan 270 ° . ( v ) cosec 270 ° , sec 270 ° , cot 270 ° . P. F. 29. To trace the ...
... cosec 90 ° , sec 90 ° , cot 90 ° . ( ii ) sin 180 ° , cos 180 ° , tan 180 ° . ( iii ) cosec 180 ° , sec 180 ° , cot 180 ° . ( iv ) sin 270 ° , cos 270 ° , tan 270 ° . ( v ) cosec 270 ° , sec 270 ° , cot 270 ° . P. F. 29. To trace the ...
Inhalt
Measurement of Angles | 2 |
The use of four figure tables of natural | 17 |
Functions of angles greater than a right | 36 |
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Häufige Begriffe und Wortgruppen
acute angle angle of depression angle of elevation approx boundary line centre circle of radius CLIFTON COLLEGE complementary angles cos² cosec cosine cotangent decimal diagonal diameter direction equal Express feet Find the angle Find the area Find the distance Find the height Find the length Find the number Find the value formula given Hence horizontal plane hypotenuse inclined inscribed circle isosceles triangle lighthouse line OX logarithms mantissa miles MISCELLANEOUS EXAMPLES negative observes the angle parallelogram perpendicular perpendicular to BC positive projection prove quadrant radian measure radians right angles satisfy the equation set squares Sexagesimal significant figures sin² sine straight line subtends an angle tables tangent tower triangle ABC triangle whose sides trigonometrical functions vertical yards ОР