Treatise on Trigonometry ...Macmillen & Company, 1889 - 504 sider |
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Side 3
... Similarly as regards the four obtuse angles . The position of the minute - hand of a clock gives us the geometrical angle between its present position and its position at the beginning of the hour . But it is the position of the hour ...
... Similarly as regards the four obtuse angles . The position of the minute - hand of a clock gives us the geometrical angle between its present position and its position at the beginning of the hour . But it is the position of the hour ...
Side 4
... Similarly = 2 rt . 4 s 358.27254 = 2.3527254 of a rt . 4 . 98 3 173 09030173 of a rt . 2 . In reducing angles so expressed to decimals of a right - angle , we have only to transform the integral numbers into decimals , taking care to ...
... Similarly = 2 rt . 4 s 358.27254 = 2.3527254 of a rt . 4 . 98 3 173 09030173 of a rt . 2 . In reducing angles so expressed to decimals of a right - angle , we have only to transform the integral numbers into decimals , taking care to ...
Side 13
... Similarly DF being equal to AC , and DE to AB , the angle DFE is acute . This brings us to Cor . 1 , showing that the angles ACB , DFE are necessarily equal . 27. The proposition of the last article is called The Am- biguous Case of the ...
... Similarly DF being equal to AC , and DE to AB , the angle DFE is acute . This brings us to Cor . 1 , showing that the angles ACB , DFE are necessarily equal . 27. The proposition of the last article is called The Am- biguous Case of the ...
Side 24
... Similarly and AO : BO = ao : bo , and AOB = < aob , [ Euc . VI . 6 . .. △ AOB is similar to △ aob . .. AB : ab AO : ao . = BC : bc BO : bo = AO : ao , - CD : cd = CO : có = AO : ao . .. AB + BC + CD + .... : ab + bc + cd + ...
... Similarly and AO : BO = ao : bo , and AOB = < aob , [ Euc . VI . 6 . .. △ AOB is similar to △ aob . .. AB : ab AO : ao . = BC : bc BO : bo = AO : ao , - CD : cd = CO : có = AO : ao . .. AB + BC + CD + .... : ab + bc + cd + ...
Side 29
... Similarly the circular measure of 90 ° is ; of 60 ° ,; of 45 ° , 7 ; of 30 ° , 7 , & c . c 3 4 6 49. Using the symbol to denote the radian , or the unit of circular measurement , we have 2 right - angles = 180 ° = 200o = πo . Thus the ...
... Similarly the circular measure of 90 ° is ; of 60 ° ,; of 45 ° , 7 ; of 30 ° , 7 , & c . c 3 4 6 49. Using the symbol to denote the radian , or the unit of circular measurement , we have 2 right - angles = 180 ° = 200o = πo . Thus the ...
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acute angle algebraically angle AOB antiparallel base bisector bisects Brocard Brocard Circle Brocard Points centre chord circular measure circumcircle circumference circumradius convergent cos² cos³ cosec cosh cosine cot² cotangent decimal diameter difference directed length equal equation escribed circles Example expressed factors figure final line finite formulæ greater Hence hypothenuse inscribed integral last article Lemoine Circle logarithms magnitude middle point multiple negative nine-points circle obtuse opposite perp perpendicular positive PROP prove quadrant quantity radian radii radius ratios respectively revolver right-angled triangle S₁ sec² secant sector sides sin² sin³ sine sinh subtend subtraction tan-¹ tan² tangent theorem trigonometrical angle values zero
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