What is the general solution for cos(a)=(-sqrt(3))/2 ?

The general solution for cos(a)=(-sqrt(3))/2 is a=(5pi)/6+2pin,a=(7pi)/6+2pin

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cos(a)=(-sqrt(3))/2

cos (a) = \frac{- 3}{2}

a = \frac{5 π}{6} + 2 πn, a = \frac{7 π}{6} + 2 πn

Solution steps

cos (a) = \frac{- 3}{2}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

cos (a) = - \frac{3}{2}

General solutions for

cos (a) = - \frac{3}{2}

a = \frac{5 π}{6} + 2 πn, a = \frac{7 π}{6} + 2 πn

2 cos (2 c) = \frac{( 0 ) - ( 0 )}{( π ) - ( - π )}

- 5 cos (2 θ) - 9 sin (θ) + 8 = - sin (θ)

3 + 3 cos (θ) = 3 + 3 sin (θ)

sinh (x) = \frac{4}{3}

x, f^{- 1} = arctan (x^{3} - 1)

What is the general solution for cos(a)=(-sqrt(3))/2 ?
The general solution for cos(a)=(-sqrt(3))/2 is a=(5pi)/6+2pin,a=(7pi)/6+2pin