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t r <br /> - s <br /> Taau II <br /> TRIGONOMETRIC FORMULAE <br /> LA = ZMOP LB = LPON = LOPL <br /> R = OB = c = 1 <br /> a a <br /> sin A = c =a = Coe B = LP <br /> Cas A =a = 1 = b --min B = OL <br /> tan A =a =MQ MQ = MQ = oot B MQ <br /> b OM i . <br /> oot A =ON NT = NT ' tan B =NT <br /> we A = OM. _ 1 = OQ coc B = OQ <br /> - <br /> • cWA = OON = OT = j <br /> OT =we B = OP <br /> tLM <br /> vers A-=OP = LM -'Covers B it <br /> I I <br /> i ooveis A = OP—LP = OP—LP = vera B <br /> OF <br /> amore A =PO = aoenec B <br /> Coeuase A -PT =esew B <br /> sin%A = aw 14A _ 1+Q(w A <br /> 2 <br /> _ 2 <br /> sin 2A = 2 sin A Coes <br /> Coe 2A = Cos A sins A <br /> Law of Sines sin A 'sin B sin Cl <br /> • B C <br /> Law of Cneinea as =,a3+p2-2 ab oos C <br /> Law ofTangent:s+b = tan 34 (A+B) <br /> s—b tan h(A—B) <br />