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9) Compute and simplify fitan-l(tlr) and compare with the derivative of tan-l(z). What does that tell you about the relationship between tan-r (t l") and-tan-r (c). Now substitute x: I to calcuiate the constant. Next substitute r,: -1 to calculate the constant. Explain *W'?tl5':-" i'*::":: :2 Ti' =i-w, + #,:htw'*;er- ' F t I+C/ f ) -Tr,n-^--s +;\ ( /+) J) - tnit,(x) 6c,D e- *t^o- 5a'4"-<-et- Ap-vivoh"te'-t 5o -rr'tz ,ry# +a;t ( t/*) : - i-a;'@) + L (C: ca*',st -*), fn^ K=tt d'(t/D =E: -+A;'(t)+C:-+1c-,to c- +., B,r* lor^ {.=- t +a',4( n/-t )= 4 z - +'^^"tGD +C = -++C25o L--:E 11^.,^4 L rA V;t o- un\st.^*, 5.o dLe-r< L t1^4- oUs"-rre-p*+<fir-Ilrvr- -T1,,-spv-e-,'.- 5%1 Vo frh-9'"7I . , - . - i A)++^",v' bq a- on?t"^^t, ,p roVi dq) t14.- d-e*iu t,a Mr- irtuv"k i6f l,r-r-.: +t's -F t6'*' (n/4 hl|aLgfs i,,t<^rv&t, oGw\tJ,u\ : e*,, o) u (or*c.). 10) write out the FORM of the partial fraction expansion for f r3+5 ) . J f f io , (DoNoTcomputethecoef f ic ientsof the in tegra1s) : (-A 4-B +.c - *PJ ,y-7 ' (X-zY' (X-z)z ' X*, t Q'E|,A +'F-++ 11) Simplify each of the following : tan(sin- l (r lZ)) : L v4_72_ J -a - +' @+,;= ' ry_+ (K-++) - F @-rF v+ - "frz- cos(2 sin-r (r)) : 1 =1 ,l I 25t* ( siwtx) z ( ain ( sr ' i t 'K) )- .>x2^ /h^-bL ^<{L{-"^"*L cr's@>) - lu- z si,'t (*) sin(sin-l (,) - cos-l(")) : sivt(sin' t ) :"Tr-f-6##Fffir"*-*, 4t '"ii# f ,(1 -ix'- = Ay-Lt Gt <.y';1T t tan- l (") + tan-1 ( t l r ) where c ) 0 to;'W) ++c,,'t (a/x) _ E +*^ 'X7o ..-V) ? v'llLr;f tv'io,-,-aee- yt tO"! L""j^'.^) (s*-"o-Qso PT ol&r\^^- 1) -r g/#) f z) U;e the parts s - (lnr)- and d,u = d,x to derive areduction formulaforf J O"o)* dr in terms a lO"r)*-t d,x ry:% )) ^ d/r- - t{-L*F)^-,,+*o Crr t \h^- | , r k )W*)*"\'r = xQL^-.x)*- f x, w.U^ *)^-, i-U f@n)* "V = xU'**)^ - wt- f A_,^_x)^-t & C..r=4 o-K f3) There exist constants I' and B so ihat the foilowing reduction formula holds :f J , "Q - r ' ) * d .x : Aan*tQ - r r )^ * B [ ,n( I - r r )^ - , d , compute the constants '4 and -B and siro#that the reduction formula does holcl.2 t #.- <^^fi' 4 b ot'L ;-;ol,o S x^ ( r - xz) ̂: u+ ) A*; o_x.)\ ; [!rT:;;f:- ) ̂ - ! a- zx) = (w+ r) A Fn (r_ t) zv,,A F"( , _*) L,q-t xz D t',., t dq b otL *i J,--s 4 ?n (,,: U:!i, ;?:;, 1 * K2- = (^+ t) A ( | - X-) - Zr.^.24 y, + )lS5o l-K'= Qt+t)A -t B (z^+w+t) nxz LWWre) l-f :('?^nn+^t)A=-t a'-J A: #(A , r> 21l4+vt* Ia*4 (n+t)A + B *4 B:1- h*(-n-zw\ f *" ( r - f)^.rn = t*iilT x^*t ( p *)^+ ffi*, f x^ (r- fl'-L