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T <br /> -- - - P <br /> B <br /> ------- - `-- c4� a <br /> O L M <br /> TAsu II <br /> TRIGONOMETRIC FORMULAE <br /> LA = LMOP LB = LPON = LOPL <br /> ---- --- <br /> -- - - - ----- c = OP =OM=ON= I <br /> sin A = _ —a = oos B = LP <br /> cos A = = i = b --min B = OL <br /> /r- - - -- - u-4 ✓ tanA = <br /> MQ MQ <br /> =M1 Q <br /> b = MQ = cot B - <br /> ---- ---- — - __ b <br /> NT NT <br /> cot A = ON 1 = NT = tan B <br /> 3a� sG,4 y <br /> OQ <br /> L 7.i -� sec A =M ' ` OQ = c8 B <br /> 3 u j 1,7, y� 4/ ✓ csc A : OT s OT = OT =eec B <br /> -� --- - - -- ---- - --- --- - — ON I <br /> +4-o y 7, Ytj <br /> vers A =Op LM = covers B <br /> y7. 4 OP--- OP—LP <br /> covers A = OP = OP—LP = vers B <br /> fib-- - - — s�7 3 ✓ -- <br /> esaec A = PQ:= coessec B <br /> oaezaec A = PT =wmac B <br /> ,�•j. ► YL 8 sin %A = �--2 cos hA ' � 2 <br /> sin 2A = 2 sin A cos A cos 2A = cosi A—sins A <br /> 47 v sin A sign B sin C <br /> Law of Hines _ - <br /> �04 7-d J s . a b c <br /> L� P Law of Cosines c2 =&2+b=-2 ab cos C <br /> tan a+b � % (A+B) <br /> - - -- - _ --- - — -- <br /> AWOL Law of Tangents = h( ) <br /> a—b A—B � <br />