sec(θ)= 2/(sqrt(3))

Lösung

sec (θ) = \frac{2}{3}

θ = \frac{π}{6} + 2 πn, θ = \frac{11 π}{6} + 2 πn

Schritte zur Lösung

sec (θ) = \frac{2}{3}

Vereinfache

\frac{2}{3} : \frac{2 3}{3}

\frac{2}{3}

Multipliziere mit dem Konjugat

\frac{3}{3}

= \frac{2 3}{3 3}

33 = 3

33

Wende Radikal Regel an:

a a = a

33 = 3

= 3

= \frac{2 3}{3}

sec (θ) = \frac{2 3}{3}

Allgemeine Lösung für

sec (θ) = \frac{2 3}{3}

sec (x)

Periodizitätstabelle mit

2 πn

Zyklus:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} sec (x) 1 \frac{2 3}{3} 22 Undefined - 2 - 2 - \frac{2 3}{3} x π \frac{7 π}{6} \frac{5 π}{4} \frac{4 π}{3} \frac{3 π}{2} \frac{5 π}{3} \frac{7 π}{4} \frac{11 π}{6} sec (x) - 1 - \frac{2 3}{3} - 2 - 2 Undefined 22 \frac{2 3}{3}

θ = \frac{π}{6} + 2 πn, θ = \frac{11 π}{6} + 2 πn

θ = \frac{π}{6} + 2 πn, θ = \frac{11 π}{6} + 2 πn

3 cos (2 θ) - 5 sin (θ) - 9 = - 5

tan (x) = 1, 0 \leq x \leq 2 π

csc (θ) = - 2, π < θ < 3 π^{2} t h (θ, t) e n, cot (θ)

sin (θ) = 0.9

sin (θ) = 0.5