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University of Memphis - MATH 1720 - Class Notes - Week 5

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School: University of Memphis
Department: Math
Course: Trigonometry
Professor: Online
Term: Fall 2018
Tags: Trigonometry
Name: 4.1 Right Triangle Trigonometry
Description: These notes use sine, cosine, tangent, and the Pythagorean theorem. Quiz Friday will be over these notes.
Uploaded: 09/24/2018
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School: University of Memphis
Department: Math
Course: Trigonometry
Professor: Online
Term: Fall 2018
Tags: Trigonometry
Name: 4.1 Right Triangle Trigonometry
Description: These notes use sine, cosine, tangent, and the Pythagorean theorem. Quiz Friday will be over these notes.
Uploaded: 09/24/2018

Unformatted text preview: 4 Right Triangle Trigonometry Find us C, LB 4/24/18 < p = 40 p5499 a-6 Utan 40 = no Utan 489b b= 6.661 027 6.662 = CZ @c06 40 = te Du + 42.34= c2 C= = 6.94 180,54= C2 C= ven.nl - 0,961 Coy 48 3100ft 14,100 ft 0100 sin b = 14,00 pe un 141C= 6_=0.94 BU + 42.36=62 V90, 34 = C2 C= 120.96 - 10.96 Coy 4 14,100 Ft 3100Ft 0100 sin b = 14.100 1 - vin' (141 10 = 12.70019 0000 ft LL, 100 ft M (400) (100)+ a n 15 = 100 In = 1119.6ft. 75 no 0ft forty ta n 290 = ca Corboot an 41'- foy Toyu ih(nou)tan 75 foto) In = 1119.6ft. 15 300ft 2011 + H, T Boty) fa 1 23 = (4079) Coryptan 41 = X= (20+ y )tan 23 (W) tan '= X X= 14.11an 4 20.tan 290 + y tan 23'= X x= 16.6 20.126239+ y tan 23* = y.tan 41 [22,1= h | 20.tan 230= 4tanti'- v ta mzh tan 4- tanzu tun 4-tan 25 y=19.11