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TRIGONOdETRIC FORMULA a a <br /> 3 6z R.S� _. • <br /> B. <br /> 4."-4 / 7'L r"r 4�� _ �.. .3• 3 r. 1 lSS r' r a <br /> C <br /> 77.5 //2 .3 a - �' - g.`� b, —.J L -A . <br /> s3 a b a c <br /> .4.0 s.6�> Rl�llt T � - T <br /> Oblique '!riattglee /1? 6 <br /> Solution Of dight Triangles J- <br /> i, - -� o r ¢, Few. a b a <br /> 1 G( 3 9� / Y .f y r /. m 2-- 7!_,_ 3•rij� ,. C r Q r b,cot -'g a,see—b, cosec a 6 <br /> 3. t <br /> tan A=b= oo ra= 3= 1}_ <br /> / <br /> tB a <br /> 3, <br /> �_� � Y �� �,`lS ��.__- �� ¢., A a1nA. ;"m <br /> *4 =90°-A b= <br /> ti <br /> 7 776 sin,A. <br /> -�� A <br /> ' - t.4L ,va 3 C� / B=90°-A,a = btanA c= 1 b Jyu. c r <br /> 776 - y Y es r , ? /1 ° <br /> / r l .t� r, L - tasx ° CaII A. <br /> B- <br /> _,�-�•" - ,' ES,� I ? .? .1 7 9U --Ar a x c sin A,b-a Coo A, <br /> 3 7 �� - OSolution of Oblique Triangles <br /> d.z9 S• � �.. _ <br /> asInB <br /> ; 9 6 b = 180'-(A'+B), <br /> q 7 C s 3. sin A <br /> �. <- sin B= b sin A r -- 180°-A B a sin C <br /> a + )rC= <br /> sin A <br /> A+B ° a-b tan <br /> y ru 7.76 180 -C,tan$(A-B)= �_� <br /> 9,� .�. ' � .,8 f. 9ae:�_ e = asinC a + b <br /> q 9;97 /; 1 � — sin A <br /> 3--j s a+2+0,sin]A= -c <br /> s:la _ s _•'. Z N,�" 'n IB_ s-aHa-c <br /> ao rC=180° A B) <br /> L 6► �► 4== e=-•�-t, area e a r <br /> /, o• g 2 — <br /> _ �, area = 2 <br /> K <br /> � sin B sin C <br /> ¢ b _ * 2 sin A <br /> 2.$� .�.s 3� . EEZJC `ION TO HORIZONTAL g <br /> l .f µ r �G��( >. Sorizontal distance—Slope distance multiplied b the <br /> ✓� �� r S y �1 tL <br /> y 2 lVeotthe verticalangle.Thus:slopedistance d by the <br /> / G. 7 angle=b°!d: From Tahiti.Pe a UL eos b°Iw= <br /> } di is Wakako—Ma*dia . <br /> / S sstne Oe re sa U th iaq p!vettical�,�410I1ow. <br /> Seri:oatsi 4 iaar is obtamI: oaf <br /> c t)C.OWl= 14' 8B61i 1-,t ,dpd, 7 <br /> the t4this <br /> ber, disbR <br /> J - s <br /> ,.. <br /> i, � <br />