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Beliebt Trigonometrie >

(cos(α-30))/1 =(sin(60))/3

Lösung

\frac{cos ( α - 3 0 ^{\circ} )}{1} = \frac{sin ( 6 0 ^{\circ} )}{3}

Lösung

α = 1.27795 \dots + 36 0^{\circ} n + 3 0^{\circ}, α = 36 0^{\circ} - 1.27795 \dots + 36 0^{\circ} n + 3 0^{\circ}

Radianten

α = 1.27795 \dots + \frac{π}{6} + 2 πn, α = 2 π - 1.27795 \dots + \frac{π}{6} + 2 πn

Schritte zur Lösung

\frac{cos ( α - 3 0 ^{\circ} )}{1} = \frac{sin ( 6 0 ^{\circ} )}{3}

sin (6 0^{\circ}) = \frac{3}{2}

sin (6 0^{\circ})

Verwende die folgende triviale Identität:

sin (6 0^{\circ}) = \frac{3}{2}

sin (6 0^{\circ})

sin (x)

Periodizitätstabelle mit

36 0^{\circ} n

Zyklus:

= \frac{3}{2}

= \frac{3}{2}

\frac{cos ( α - 3 0 ^{\circ} )}{1} = \frac{\frac{3}{2}}{3}

Wende Regel an

\frac{a}{1} = a

cos (α - 3 0^{\circ}) = \frac{\frac{3}{2}}{3}

Wende Bruchregel an:

\frac{\frac{b}{c}}{a} = \frac{b}{c \cdot a}

cos (α - 3 0^{\circ}) = \frac{3}{2 \cdot 3}

Multipliziere die Zahlen:

2 \cdot 3 = 6

cos (α - 3 0^{\circ}) = \frac{3}{6}

Wende die Eigenschaften der Trigonometrie an

cos (α - 3 0^{\circ}) = \frac{3}{6}

Allgemeine Lösung für

cos (α - 3 0^{\circ}) = \frac{3}{6}

cos (x) = a \Rightarrow x = arccos (a) + 36 0^{\circ} n, x = 36 0^{\circ} - arccos (a) + 36 0^{\circ} n

α - 3 0^{\circ} = arccos (\frac{3}{6}) + 36 0^{\circ} n, α - 3 0^{\circ} = 36 0^{\circ} - arccos (\frac{3}{6}) + 36 0^{\circ} n

α - 3 0^{\circ} = arccos (\frac{3}{6}) + 36 0^{\circ} n, α - 3 0^{\circ} = 36 0^{\circ} - arccos (\frac{3}{6}) + 36 0^{\circ} n

Löse

α - 3 0^{\circ} = arccos (\frac{3}{6}) + 36 0^{\circ} n : α = arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

α - 3 0^{\circ} = arccos (\frac{3}{6}) + 36 0^{\circ} n

Vereinfache

arccos (\frac{3}{6}) + 36 0^{\circ} n : arccos (\frac{1}{2 3}) + 36 0^{\circ} n

arccos (\frac{3}{6}) + 36 0^{\circ} n

\frac{3}{6} = \frac{1}{2 3}

\frac{3}{6}

Faktorisiere

6 : 2 \cdot 3

Faktorisiere

6 = 2 \cdot 3

= \frac{3}{2 \cdot 3}

Streiche

\frac{3}{2 \cdot 3} : \frac{1}{2 3}

\frac{3}{2 \cdot 3}

Wende Radikal Regel an:

n a = a^{\frac{1}{n}}

3 = 3^{\frac{1}{2}}

= \frac{3 ^{\frac{1}{2}}}{2 \cdot 3}

Wende Exponentenregel an:

\frac{x ^{a}}{x ^{b}} = \frac{1}{x ^{b - a}}

\frac{3 ^{\frac{1}{2}}}{3 ^{1}} = \frac{1}{3 ^{1 - \frac{1}{2}}}

= \frac{1}{2 \cdot 3 ^{- \frac{1}{2} + 1}}

Subtrahiere die Zahlen:

1 - \frac{1}{2} = \frac{1}{2}

= \frac{1}{2 \cdot 3 ^{\frac{1}{2}}}

Wende Radikal Regel an:

a^{\frac{1}{n}} = n a

3^{\frac{1}{2}} = 3

= \frac{1}{2 3}

= \frac{1}{2 3}

= arccos (\frac{1}{2 3}) + 36 0^{\circ} n

α - 3 0^{\circ} = arccos (\frac{1}{2 3}) + 36 0^{\circ} n

Verschiebe

3 0^{\circ}

auf die rechte Seite

α - 3 0^{\circ} = arccos (\frac{1}{2 3}) + 36 0^{\circ} n

Füge

3 0^{\circ}

zu beiden Seiten hinzu

α - 3 0^{\circ} + 3 0^{\circ} = arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

Vereinfache

α = arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

α = arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

Löse

α - 3 0^{\circ} = 36 0^{\circ} - arccos (\frac{3}{6}) + 36 0^{\circ} n : α = 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

α - 3 0^{\circ} = 36 0^{\circ} - arccos (\frac{3}{6}) + 36 0^{\circ} n

Vereinfache

36 0^{\circ} - arccos (\frac{3}{6}) + 36 0^{\circ} n : 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n

36 0^{\circ} - arccos (\frac{3}{6}) + 36 0^{\circ} n

\frac{3}{6} = \frac{1}{2 3}

\frac{3}{6}

Faktorisiere

6 : 2 \cdot 3

Faktorisiere

6 = 2 \cdot 3

= \frac{3}{2 \cdot 3}

Streiche

\frac{3}{2 \cdot 3} : \frac{1}{2 3}

\frac{3}{2 \cdot 3}

Wende Radikal Regel an:

n a = a^{\frac{1}{n}}

3 = 3^{\frac{1}{2}}

= \frac{3 ^{\frac{1}{2}}}{2 \cdot 3}

Wende Exponentenregel an:

\frac{x ^{a}}{x ^{b}} = \frac{1}{x ^{b - a}}

\frac{3 ^{\frac{1}{2}}}{3 ^{1}} = \frac{1}{3 ^{1 - \frac{1}{2}}}

= \frac{1}{2 \cdot 3 ^{- \frac{1}{2} + 1}}

Subtrahiere die Zahlen:

1 - \frac{1}{2} = \frac{1}{2}

= \frac{1}{2 \cdot 3 ^{\frac{1}{2}}}

Wende Radikal Regel an:

a^{\frac{1}{n}} = n a

3^{\frac{1}{2}} = 3

= \frac{1}{2 3}

= \frac{1}{2 3}

= 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n

α - 3 0^{\circ} = 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n

Verschiebe

3 0^{\circ}

auf die rechte Seite

α - 3 0^{\circ} = 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n

Füge

3 0^{\circ}

zu beiden Seiten hinzu

α - 3 0^{\circ} + 3 0^{\circ} = 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

Vereinfache

α = 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

α = 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

α = arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}, α = 36 0^{\circ} - arccos (\frac{1}{2 3}) + 36 0^{\circ} n + 3 0^{\circ}

Zeige Lösungen in Dezimalform

α = 1.27795 \dots + 36 0^{\circ} n + 3 0^{\circ}, α = 36 0^{\circ} - 1.27795 \dots + 36 0^{\circ} n + 3 0^{\circ}

Graph

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