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MAT 128 Written Assignment 3 Page 7

# MAT 128 Written Assignment 3 Page 7 - 8 Find cos 4 5 T>...

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Unformatted text preview: 8. Find cos 4 5:; T > 5;; > V ‘ ‘ a 5'}? 1522' 5,22“ if . Since 7 Is In Quadrant JV. Em J‘czferenw angit: 15 JIM—3 3—? “—2 '~“~ T In quadrant. EV’. the .1 - , ~ — . . , . 5177 ff 1 c0511]: 13; pomiwc. Thus. CUS—CI: ans—:2: 3 3 2 ﬂ _V 5% L f." 5 . . ., mee'rtmg :- tc} degrees: m: have. 72:?! 180"] 12.100 . ,3 , J * A m n M n 5;: : " l The referenca angla 13 360" w3DO' :: 60‘. Thus. (ma-\$7 L-L‘Qs 3130J :: (ms 60" :- x” J .2. Section 6.3 8* fk‘ 2 cm .x‘ The graph is a sinusoidal curve with ai‘nplimde 2 and pcriod 2-” Since 2005f) - 2-} -- 21 1hr: point (0. 2) is. can the graph. This matches with graph (1 48. {a} T135 mulgwﬁmdais, i['12{}~80)' 1‘40)" 20\$ 2 ‘ ’ 2 {b} Siawtt the pm‘imd is .8 56L lhcrr: are l - T, " 1.221 bifaté; pm" we and {he puige mire .( is 6011.25) 75 beats permin (:4. ~£ 33,13.“ 3“,; I Ampiiwde: s] 2;: Permit: 5% squares v £30“) E20“ m." T ...
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