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u, TRIGONOMETRIC FORMUL,IE '�S'T7 <br /> B <br /> aa a <br /> C b C b 0 <br /> , Right Tri <br /> _J l angi <br /> ` � Oblique Triangles <br /> ' <br /> 7, Solution of Right Triangles <br /> J,, Y P s— _r ., <br /> O f .i <br /> For Angle A. sin =G.�a O,tea= b ,cot. b we <br /> a b <br /> 0 Given Required ' a <br /> a <br /> / Z a, b A, B,a tan A=— cot B,c= a -{- ' <br /> a, c A, B, b sinA=a=aoeB,b=%l(a-L-a a-ris ~e <br /> B, b, c B=90'—A,b=acotA,o= - s <br /> s <br /> q wa <br /> $a, a� 8=�°-'A,a=bran A,c� <br /> ;;;A. 3 . -o it <br /> B=90'—A,a=esinA,b—ecar <br /> Solution of Oblique Triangles <br /> aeq <br /> nlrsd b o a <br /> sin 180—(d <br /> �C <br /> C = a:. <br /> B,c, C sin$a b sin A U= 180,—j+f <br /> (C a <br /> ` 4 <br /> A,B,d A+B=18rl—c,ton <br /> n i <br /> s <br /> sin A <br /> a - <br /> > � <br /> N c A, B, C8- t'ointa_ t- <br /> 7 <br /> y <br /> sin B <br /> ac <br /> ;r 4" pry b, c_ Area s e a.area= s Is-)a <br /> I y o 7Aba Area b e sin A <br /> , , <br /> area 2 <br /> sin <br /> j 9 - <br /> _ Area arxsR 04 `L a wn B sin C. <br /> ' <br /> ' <br /> _ <br /> RE TO MAMMAL <br /> -- tI dfataises••' distrrseeasult�iieO,pYthe <br /> S V. F'�..T att <br /> coVe � _ <br /> I <br /> timer Et-=eo d"b at <br /> /rr tug is to the y�ra etlle Tatlow <br /> `/ ' HotisoaW distearee .Cosine 6 �.9�6 1-9QBY=9011. <br /> __ _.- 91 tEX, 1=t 4•- =31$01!t <br /> When the rise is kim the ae is 31000 dist- <br /> y ante less the sgilsre ot'the.risa eH try trt40 the sloe eagee ase rise=l4 it., <br /> slope distance-30U ft. H b-t.. d-092=90226 <br /> 1 y _ axt�oze <br /> MADE IN V.a,& <br /> l <br />