Expression 47: tangent to the negative 1st power left parenthesis, StartFraction, "y" Subscript, 0 , Baseline Over "x" Subscript, 0 , Baseline , EndFraction , right parenthesistan−1y0x0
equals=
negative 0.3 4 3 0 2 3 9 4 0 4 2 1−0.343023940421
47
x₀ < 0 ∧ y₀ ≤ 0 ⇔ f ( y₀ , x₀ ) =
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48
Expression 49: tangent to the negative 1st power left parenthesis, StartFraction, "y" Subscript, 0 , Baseline Over "x" Subscript, 0 , Baseline , EndFraction , right parenthesis plus pitan−1y0x0+π
equals=
2.7 9 8 5 6 8 7 1 3 1 72.79856871317
49
x₀ < 0 ∧ y₀ > 0 ⇔ f ( y₀ , x₀ ) =
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50
Expression 51: tangent to the negative 1st power left parenthesis, StartFraction, "y" Subscript, 0 , Baseline Over "x" Subscript, 0 , Baseline , EndFraction , right parenthesis minus pitan−1y0x0−π
equals=
negative 3.4 8 4 6 1 6 5 9 4 0 1−3.48461659401
51
x₀ = 0 ∧ y₀ > 0 ⇔ f ( y₀ , x₀ ) =
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52
Expression 53: StartFraction, pi Over 2 , EndFractionπ2
equals=
1.5 7 0 7 9 6 3 2 6 7 91.57079632679
53
x₀ = 0 ∧ y₀ < 0 ⇔ f ( y₀ , x₀ ) =
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54
Expression 55: negative StartFraction, pi Over 2 , EndFraction−π2
equals=
negative 1.5 7 0 7 9 6 3 2 6 7 9−1.57079632679
55
0° ≤ A < 90° ⇔
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56
a→ ⋅ -c→ > 0 ⇔
57
cos A > 0
58
Expression 59: "a" Subscript, 1 , Baseline times left parenthesis, negative "c" Subscript, 1 , Baseline , right parenthesis plus "a" Subscript, 2 , Baseline times left parenthesis, negative "c" Subscript, 2 , Baseline , right parenthesis left brace, "C" Subscript, "A" , Baseline greater than 0 , right bracea1·−c1+a2·−c2CA>0
equals=
54.5 454.54
59
Expression 60: "C" Subscript, "A" , Baseline left brace, "C" Subscript, "A" , Baseline greater than 0 , right braceCACA>0
equals=
0.4 9 8 8 3 5 3 8 2 8 7 50.498835382875
60
A = 90° ⇔
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61
a→ ⋅ -c→ = 0 ⇔
62
cos A = 0
63
Expression 64: "a" Subscript, 1 , Baseline times left parenthesis, negative "c" Subscript, 1 , Baseline , right parenthesis plus "a" Subscript, 2 , Baseline times left parenthesis, negative "c" Subscript, 2 , Baseline , right parenthesis left brace, "C" Subscript, "A" , Baseline equals 0 , right bracea1·−c1+a2·−c2CA=0
undefined
64
Expression 65: "C" Subscript, "A" , Baseline left brace, "C" Subscript, "A" , Baseline equals 0 , right braceCACA=0
undefined
65
90° < A ≤ 180° ⇔
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66
a→ ⋅ -c→ < 0 ⇔
67
cos A < 0
68
Expression 69: "a" Subscript, 1 , Baseline times left parenthesis, negative "c" Subscript, 1 , Baseline , right parenthesis plus "a" Subscript, 2 , Baseline times left parenthesis, negative "c" Subscript, 2 , Baseline , right parenthesis left brace, "C" Subscript, "A" , Baseline less than 0 , right bracea1·−c1+a2·−c2CA<0
undefined
69
Expression 70: "C" Subscript, "A" , Baseline left brace, "C" Subscript, "A" , Baseline less than 0 , right braceCACA<0
undefined
70
Skydere
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71
Punkter ( a, b, c )
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79
Toppunkter ( A, B, C )
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85
Grader nær vinkelbuer
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89
99
powered by
powered by
"c" equals StartRoot, "a" squared plus "a" squared , EndRootc=a21+a22
"a" equals StartRoot, "b" squared plus "b" squared , EndRoota=b21+b22
"b" equals StartRoot, "c" squared plus "c" squared , EndRootb=c21+c22
Start black, "A" equals ( "A" Subscript, 1 , Baseline ; "A" Subscript, 2 , Baseline ) End blackA=(A1;A2)