2. 2 TRIGONOMETRIC SUBSTITUTION ZTri-gonometricsubstitutiffk.ca 2. )ok Express trig 2 × in terms of function # { = cost 2nd of 0 62+012 012=5-62 cÑ d=F C? d. a = Sino % - _ Tano a×ÉEi ① ② ③ ?⃝ IFE ok ¥" oi-j Ecos = ÉÑ at sino - = a = a 0 • so sin 0 ¥+17300k ② FE ¥É¥ +0¥ ✗ = cos ¥q= = sin 0 ¥-0 = a cosec 0 Tano = FE = ¥ = +÷g = cot 0 c÷o=a 0 • a TEXTBOOK to ra ¥0 = atac ③ Fti F5 ¥ × = tano x=aT Foi=asec q= ¥ = " SO Coto ¢2 = TEXTBOOK ✗ a = cosec a cot 0 0 * ✗ = ☒ as in €2 = a : → d✗ = a cos 0010 cost .E #*c*o-*o- EifE.odoa1afcosec20dO- 1if-coTO)+c ↓ = - fi cot 0 + c = - ¥ + - = - + a c 16=42 E • = du = → Q = 4 " S dx =I*¥÷÷=Iu¥:°"=* he , du = ¥16 * = = •Tan = 0=4Tano 4sec -0 do 4sec 0 = =£*¥:É¥ =¥I:¥ :* cosec tzln / 0 do - = %/ 1¢ In +C " / cosec O cotbltc = - flu 125×2%67--4,1 , + C EF¥¥¥≠ $ ok ✗ 2+8×+16 , ( U := ✗ 1- 4 yu¥, ¥9 u > = = = = = die → 3 = @ at + + 4T¥ → du sec 0 = 3 Sec 0 + Tano 13 / I + In / FÉ+Ñ+z* / ten but F. txt 41 - bin 3 do = G- / ten do • In + " sec 20 ↑¥;¥÷ -1sec In / 9 ok = da 3 tan 0 1-25-16 = + Cn hnla.lt C =- ✗ dx €+8TI :¥¥ = a Sec 0 = ¥0 + C = ¥ a = → > a = = ✗ 4- Tan 0 sect do a' = oiseio ¥-11010 tan " ¥ + C + c - f ¥+7.0k = ¥ tan -1¥