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i <br />TABLE II <br />TRIGONOMETRIC FORMULAE <br />LA = LMOP LB = LPON = LOPL <br />c=OP=OM=0N=1 <br />sin A = a = a = a = coa B = LP <br />c 1 <br />cos A = _ b = b =-sin B = OL <br />tan A = a — 1MQ = MQ = MQ = cot B <br />b OM 1 <br />NT <br />cot A = ON = NT .. <br />=NT=tan g <br />sec A = Q2 = OQ = OQ — <sc B <br />OM 1 <br />cac A = ON = Oi <br />— OT=eec$ <br />vera A = = LM = covers B <br />OP — LP <br />covers A = OP = Op —LP = vera B <br />exsec A = PQ = coexsec B <br />coexsec A = PT = exsec B <br />sin YA= 1—Cos A cm 'JAIV — 1+CoaA <br />2 2 <br />sin 2A = 2 sin A cos A coa 2A = cosy A — sin= A <br />Law of Sines am A = sin B _ sin C <br />a b c <br />Law of Cosines cd = a2+b2-2 ab coa C <br />Law of Tangentsa+b _ tan % (A+B) <br />a—b tan M (A—B) <br />1 1 <br />1 <br />1 <br />i <br />TABLE II <br />TRIGONOMETRIC FORMULAE <br />LA = LMOP LB = LPON = LOPL <br />c=OP=OM=0N=1 <br />sin A = a = a = a = coa B = LP <br />c 1 <br />cos A = _ b = b =-sin B = OL <br />tan A = a — 1MQ = MQ = MQ = cot B <br />b OM 1 <br />NT <br />cot A = ON = NT .. <br />=NT=tan g <br />sec A = Q2 = OQ = OQ — <sc B <br />OM 1 <br />cac A = ON = Oi <br />— OT=eec$ <br />vera A = = LM = covers B <br />OP — LP <br />covers A = OP = Op —LP = vera B <br />exsec A = PQ = coexsec B <br />coexsec A = PT = exsec B <br />sin YA= 1—Cos A cm 'JAIV — 1+CoaA <br />2 2 <br />sin 2A = 2 sin A cos A coa 2A = cosy A — sin= A <br />Law of Sines am A = sin B _ sin C <br />a b c <br />Law of Cosines cd = a2+b2-2 ab coa C <br />Law of Tangentsa+b _ tan % (A+B) <br />a—b tan M (A—B) <br />