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TRICFONOMETRIC FORMULAE i <br /> r" B B - B <br /> c c <br /> -b- C `4� A <br /> b C �, , C <br /> ?t Right Triangle Oblique Triangles—� <br /> f Solution of Right Triangles <br /> J0 p or Angle A. sin =o cos= a ,tan= b ,cot =a,sec= b, cosec = <br /> fly Given Required a a <br /> a, b �A,B,o tanA= = cot B,c = a%+ x =a 1 + —_ <br /> a <br /> A,B, b ein A=e=oos B,b=i/ ai <br /> 0 <br /> A,a B, b, o B,-90-=A,b =_a eotA,0= <br /> sib A. <br /> _ <br /> A, b B, a, o B.i�90°—A,a = b tan A,e— b <br /> oos A. <br /> 3,Ce 9 <br /> c B,a, bB 900—A,a=o site ,b=Geos J, <br /> Solution of Oblique Ykangles / 7' <br /> Given Required B <br /> B,a b, c b ,C'..180°—(A+B) a- <br /> 0a +�sin C <br /> ,.. sin A <br /> bsin A- , <br /> b B,c, C d-11= a ,C= 180°—(A+B),a = a stn C <br /> ti <br /> sin A <br /> Q 4 B,Q,. A+B-180°—C,tea (A—B)= a—b)tan (A+B) <br /> 13 a sin C a+ b <br /> c = <br /> sin A' <br /> f + b, a As B, 0 <br /> a Al <br /> o <br /> sin;�B $—a a';--c <br /> = <br /> �s <br /> Oq s= 2 <br /> b e A 6 o sin'A <br /> D4 � B C a s Omin CF <br /> n-- <br /> iiORIMD <br /> . .- - � ,• anfiF <br /> y <br /> a1s0= <br /> r <br /> 01"of <br /> �►i'izoaUl =a Eosins �. YG` 4. <br /> �— • - ; When the rias si��$i'ft. <br /> s less the s <br /> ae-2 x 302.6IL <br /> " <br />