Elementary Trigonometry |
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Page 28
... positive , distances measured from 0 in the direction OB will properly be considered negative . The direction in which the positive distances are measured is quite indifferent , but when once it has been fixed , the negative distances ...
... positive , distances measured from 0 in the direction OB will properly be considered negative . The direction in which the positive distances are measured is quite indifferent , but when once it has been fixed , the negative distances ...
Page 29
... positive when they lie above AB , negative below AB . Lines parallel to AB are positive when they lie on the right of CD , negative when they lie on the left of CD . 48. We may now proceed to explain how the position of a point may be ...
... positive when they lie above AB , negative below AB . Lines parallel to AB are positive when they lie on the right of CD , negative when they lie on the left of CD . 48. We may now proceed to explain how the position of a point may be ...
Page 30
... positive . If the perpendicular dropped from P to NS be on the left of NS it is reckoned negative . 49 . about Let a ... positive . When QP reaches the line QN it will have traced 30 ELEMENTARY TRIGONOMETRY .
... positive . If the perpendicular dropped from P to NS be on the left of NS it is reckoned negative . 49 . about Let a ... positive . When QP reaches the line QN it will have traced 30 ELEMENTARY TRIGONOMETRY .
Page 31
... positive and QM is positive , PM is positive and QM is negative , PM is negative and QM is negative , PM is negative and QM is positive . Note . When we say that a line PM is positive or negative we mean that its measure has the + or ...
... positive and QM is positive , PM is positive and QM is negative , PM is negative and QM is negative , PM is negative and QM is positive . Note . When we say that a line PM is positive or negative we mean that its measure has the + or ...
Page 39
... positive in the first and second quadrants , negative in the third and fourth . QM is positive in the first and fourth quadrants , negative in the second and third . QP is always positive . 65. To trace the changes in sign and magnitude ...
... positive in the first and second quadrants , negative in the third and fourth . QM is positive in the first and fourth quadrants , negative in the second and third . QP is always positive . 65. To trace the changes in sign and magnitude ...
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Common terms and phrases
angle AOP angle be expressed angle EQP angle whose circular Arithmetical Progression Cambridge centre circle circular measure circumference College List convert the measure cos² cos³ cosec cosine Crown 8vo Edition equal expressed in degrees feet find the angle find the number following angles formula given angle contain Given find Given log Greek Isocrates John Edwin Sandys John Henry Blunt Let the given logarithm magnitude minutes and seconds multiply the measure negative number of degrees number of grades Pall Mall QP revolves radius regular polygon right angles right-angled triangle School and College Sexagesimal shew sides sin² sin³ sine subtends an angle tan² tan³ tangent Thomas Kerchever Arnold Thucydides triangle ABC Trigonometrical Ratios Trinity College unit of angular unit of circular Waterloo Place π π
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