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TRIGONOMETRIC FORMUL& <br /> B B <br /> B /F <br /> a c C �• J <br /> � .32G3.'V f Q d b Q d b a <br /> z Oblique Triangles <br /> l '7 • Solutions of Right Triangles , <br /> tiG'C06 a A i lues a b,COt a 6,teC-b cosoc= 1 <br /> ntred <br /> a, b B,o tan d b a cot B'a e f o v a 1+ <br /> a <br /> 4 0A.B, b sinA s 1. <br /> coaB -Vsb a o-,a .a+� <br /> o � Y 1-,s <br /> A,a B, b, o B-90o-d,b•=a cold,o s sin A. <br /> d,b :a, o B=90°-d,o b tan d,c. b m-.•. <br /> Acos A. <br /> 0 3!,a, b B m 90o-d,a=o sin d,b#o ccs d, Y <br /> Reaufsvd <br /> Solution of Oblique Trianglee <br /> a sin B <br /> b• c, t7 b sin d 'O m 180°-(d+B).a••a sin <br /> sia <br /> h+i, <br /> 4.0 sin B m b s a�!,U 180°-(d+Bj,o e a sin O <br /> sin d <br /> A,A c A+B=1800-0,tan j(d_B)_(a-b)tan#(A+B) .M <br /> o a_da O <br /> a+ b <br /> sin d <br /> RETURN TO ' <br /> COUNTY SURVEYOR'S"OFFICE ` V ° 'B'° y`'-a�+b+ <br /> ' Vo <br /> sin B- B-a .--o <br /> STOCKTON - CALIFORNIA 10 <br /> '�-11{0°-r(df� <br /> a, Area s=a{-b 1-0 area m a e--aa-- <br /> g +-a <br /> A, b, o Areaarea b o sin d • <br /> 2 � <br /> a2 sin B sin U <br /> Y <br /> A,#,0,a Area area <br /> 2 ain d <br /> REDUCTION TO,HORIZONTAL , <br /> a - Horixontaldi�xnas+wte f <br /> . gi�AeoOe its, <br /> V disRaei tlms�t a of tie , <br /> b_at <br /> .c <br /> .h <br /> v <br />