What is the general solution for cos(x)=-1,0<= x<= 2pi ?

The general solution for cos(x)=-1,0<= x<= 2pi is x=pi

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cos(x)=-1,0<= x<= 2pi

cos (x) = - 1, 0 \leq x \leq 2 π

x = π

Degrees

x = 18 0^{\circ}

Solution steps

cos (x) = - 1, 0 \leq x \leq 2 π

General solutions for

cos (x) = - 1

cos (x)

periodicity table with

2 πn

cycle:

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} cos (x) 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} 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} cos (x) - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2} 0 \frac{1}{2} \frac{2}{2} \frac{3}{2}

x = π + 2 πn

x = π + 2 πn

Solutions for the range

0 \leq x \leq 2 π

x = π

sin (x) tan^{2} (x) = sin (x)

sin (θ) cos (3 θ) + cos (θ) sin (3 θ) = 0

19 sin (x) + 9 = sin (x)

cos (x) = \frac{3}{7}

tan (\frac{x}{4}) + 3 = 0

What is the general solution for cos(x)=-1,0<= x<= 2pi ?
The general solution for cos(x)=-1,0<= x<= 2pi is x=pi