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Z�fi3S �rP✓- 9z.?__ sgs� <br /> �7 4 <br /> I�r2 <br /> 2 TABLB II <br /> TRIGONOMETRIC FORMULAE <br /> LA = LMOP LB = LPON = LOPL <br /> R = OB — c =1 <br /> sin A = a s <br /> c = 1 =a = cosB = LP <br /> coo A = b b = b =-sin B = OL <br /> /1'\ c 1 <br /> j tan A = b= OM =MQ = MQ = cot B = MQ <br /> cot A = ON = 1T = NT = tan B = NT <br /> sec A = OM OQ ` OQ = coo B =OQ <br /> cec A = se <br /> ON = OT = <br /> OT = c B =O <br /> I <br /> vers A = O = LM = covers B # <br /> j <br /> covers A = OP—LP <br /> OF = OP—LP = vers B <br /> essec A =PQ = cowgLw B <br /> coeaeec A =PT =e:bec B <br /> siaA = 1—CoeA 1-F��►' <br /> 2 c08 _ er <br /> P <br /> sin 2A = 2 sin A cos cos 2A = oo0 A—sin=A <br /> Law of Sines <br /> sin A = sin B sin C, <br /> a B a C ;l <br /> Law of Cosinm c3 =&2+ps-2 ab cos¢ 4� <br /> Law of Tangents a+b tan 'r4(A+B) <br /> _ <br /> a—b tan W j <br /> I <br />