# Lab9 - MATH 1160 Fall 2010 Name Lab Worksheet#9 Sections...

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MATH 1160, Fall 2010 Lab Worksheet #9 : Sections 5.4 - 6.4 Name: . ................................................................ Student ID: . ............................. In order to receive full credit, SHOW ALL YOUR WORK. 1. Sketch the graphs of f ( x ) = tan ( x - π/ 2) and g ( x ) = cot( x ) on the same set of axes below. How are the two graphs related? What change could you make to the graph of g ( x ) in order for the graphs to be the same? 2. An arc of length 15 inches subtends a central angle β = π 5 in a circle of radius r . (a) Find r to the nearest tenth of an inch. ......................................... (b) Find the area of the sector of the same circle, which corresponds to β . ......................................... 3. Given that cos α = - 2 5 , and csc α < 0, ±nd the other 5 trigonometric values for α . sin α = ............... , tan α = ............... , sec α = ............... , csc α = ............... , cot α = ...............

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Lab9 - MATH 1160 Fall 2010 Name Lab Worksheet#9 Sections...

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