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N T <br /> P <br /> B <br /> - c�1 a <br /> b <br /> - LL M <br /> Taws II <br /> TRIGONOMETRIC FORMULAE <br /> LA = LMOP 'LB — LPON = LOPL <br /> 3 c — OP -.OM=ON— 1 <br /> a a <br /> min A —-- —— -.a —coos B — LP <br /> c 1 <br /> cos A — b b — b =-sin B = OL <br /> c 1 <br /> _ tan A —a = � — MQ = MQ = cot B <br /> b OM 1 <br /> cot A — ON — NT = NT = tan B <br /> sec A O _ = OQ = osc B <br /> cec A - ON —n — OT — sec B <br /> vers A —O — LM — covers B <br /> covers A = OF—Ld'.OP — OP—LP = ven B <br /> exec A = PQ — co=sec B <br /> coesaee A - PT —ecsec B <br /> eA — i-Cos A A = 1+Om A <br /> sin <br /> sin 2A - 2 sin A cos A cos 2A - m0 A—sins A <br /> Law of Sines sin A _ sin B min C <br /> a b = c <br /> Law of Cosines 0 —a$+bi—2 ab cos C <br /> Law of Tangents a+b tan % (A+B) <br /> - <br /> ;—b b tan h(A—B) <br />