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Quiz 5 soln - 1

# Quiz 5 soln - 1 - Math 1A — Quiz 5 — March 7 2008 NAME...

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Unformatted text preview: Math 1A — Quiz 5 — March 7, 2008 NAME 1. Two sides of a triangle have lengths 4 m and 5 m The angie between them is increasing at a rate of 01 rad/min. How fast" is the length of the third ‘ 1t side increasing when the angle between the sides of ﬁxed length is —— ? 3 LP 7< £5: .1: 116}. “(\$21 : 7 9 6t £0 mm CH: 512: 5 LCLUJ O? CDSHMQJi X3=49+59—9(4)(5)w56 : LH 40st So QXAX: 4051n9c46 3 é’C at x2: 41*qust 3 So 9L1: LIOSM(’§)(%) ijlqi’tieﬁé 3H d" we?) 5:3;— Q0 (g3— (73) we dt T 3 2. Find the linear approximation of V25 —x2 at 31:3. \$078 i : ' —— = 95"X Lea: Ham/Maw “a 4‘95 2‘ C L(><')=?/%33+?‘(33(><*3) €160: _L(95 x3) (—QX) . ' 3 —>< 1 LU):- 4 +(1iiﬂx’33 I W 3. Find the limit: x1390 (e“ "" sinx) *Irx ﬂm (6 51.4w): SmW X400 X—imoo 83x 8mm, ——l éanxei Mum :L. 5 5“"X 5 l rr-x TFX EWX e e. mam ‘30 Am 'rx5 ﬁrm \$“"7‘< ,Qm-L 6mm, Am 6, " )(abo é’.‘ X—}b0 e ”W 1—190 Yﬁ ‘74 he 4/ O O ...
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