Expression 31: theta Subscript, 1 , Baseline equals tangent to the negative 1st power StartFraction, "E" Subscript, 2 , Baseline Over "E" Subscript, 1 , Baseline , EndFraction minus 135 equals negative 86.8 1 0 3 1 4 8 9 5 8θ1=tan−1E2E1−135
equals=
negative 86.8 1 0 3 1 4 8 9 5 8−86.8103148958
31
Graphs
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32
Expression 33: "y" less than 25 Has graph. To audio trace, press ALT+T.y<25
33
Expression 34: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.Rcost,Rsint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 360360
34
Expression 35: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.Rcost,Rsint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 360360
35
Expression 36: polygon left parenthesis, "A" , "E" , "A" , "B" , "D" , "B" , "C" , "O" , "C" , right parenthesis Has graph.polygonA,E,A,B,D,B,C,O,C
36
Expression 37: left parenthesis, "L" Subscript, 1 , Baseline plus StartFraction, "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "L" Subscript, 2 , Baseline plus StartFraction, "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis Has graph.L1+tcosθ1−1352,L2+tsinθ1−1352
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
37
Expression 38: left parenthesis, "L" Subscript, 1 , Baseline plus StartFraction, "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "L" Subscript, 2 , Baseline plus StartFraction, "t" sin left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis Has graph.L1+tcosθ1+1352,L2+tsinθ1+1352
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤