cos(A)= 3/4

Lösung

cos (A) = \frac{3}{4}

A = 0.72273 \dots + 2 πn, A = 2 π - 0.72273 \dots + 2 πn

Grad

A = 41.40962 \dots^{\circ} + 36 0^{\circ} n, A = 318.59037 \dots^{\circ} + 36 0^{\circ} n

Schritte zur Lösung

cos (A) = \frac{3}{4}

Wende die Eigenschaften der Trigonometrie an

cos (A) = \frac{3}{4}

Allgemeine Lösung für

cos (A) = \frac{3}{4}

cos (x) = a \Rightarrow x = arccos (a) + 2 πn, x = 2 π - arccos (a) + 2 πn

A = arccos (\frac{3}{4}) + 2 πn, A = 2 π - arccos (\frac{3}{4}) + 2 πn

A = arccos (\frac{3}{4}) + 2 πn, A = 2 π - arccos (\frac{3}{4}) + 2 πn

Zeige Lösungen in Dezimalform

A = 0.72273 \dots + 2 πn, A = 2 π - 0.72273 \dots + 2 πn

3 cos (x) = 2 cot (x)

5 cos (7 θ) = 0

- 8 tan (y) = 0

2 cos^{2} (θ) + cos (θ) = 0, 0 \leq θ < 2 π

3 cos (2 x) + sin (2 x) = 0