What is the general solution for cos(θ)=-(sqrt(3))/7 ?

The general solution for cos(θ)=-(sqrt(3))/7 is θ=1.82082…+2pin,θ=-1.82082…+2pin

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cos(θ)=-(sqrt(3))/7

cos (θ) = - \frac{3}{7}

θ = 1.82082 \dots + 2 πn, θ = - 1.82082 \dots + 2 πn

Solution steps

cos (θ) = - \frac{3}{7}

Apply trig inverse properties

θ = arccos (- \frac{3}{7}) + 2 πn, θ = - arccos (- \frac{3}{7}) + 2 πn

Show solutions in decimal form

θ = 1.82082 \dots + 2 πn, θ = - 1.82082 \dots + 2 πn

\frac{1}{tan ( x )} + \frac{cos ^{2} ( x )}{sin ( x )} = 0

1 sin (2 5^{\circ}) = 1.506 sin (x)

\frac{1}{2} tan (2 θ) = tan (θ)

csc (x) - 3 = - 2 sin (x)

\frac{sin ( y )}{80} = \frac{sin ( 4 0 ^{\circ} )}{60}

What is the general solution for cos(θ)=-(sqrt(3))/7 ?
The general solution for cos(θ)=-(sqrt(3))/7 is θ=1.82082…+2pin,θ=-1.82082…+2pin