What is the general solution for tan(x)+1=0 ?

The general solution for tan(x)+1=0 is x=(3pi)/4+pin

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tan(x)+1=0

tan (x) + 1 = 0

x = \frac{3 π}{4} + πn

Degrees

x = 13 5^{\circ} + 18 0^{\circ} n

Solution steps

tan (x) + 1 = 0

Move

1

to the right side

tan (x) + 1 = 0

Subtract

1

from both sides

tan (x) + 1 - 1 = 0 - 1

Simplify

tan (x) = - 1

tan (x) = - 1

General solutions for

tan (x) = - 1

tan (x)

periodicity table with

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} tan (x) 0 \frac{3}{3} 13 \pm \infty - 3 - 1 - \frac{3}{3}

x = \frac{3 π}{4} + πn

x = \frac{3 π}{4} + πn

sin (x) = - cos (x)

tan (x) = \frac{1}{3}

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

csc^{2} (x) - 2 = 0

2 sin^{2} (x) + cos (x) - 1 = 0

What is the general solution for tan(x)+1=0 ?
The general solution for tan(x)+1=0 is x=(3pi)/4+pin