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1 vote
Solve
tan x + 1 = 0
for x.

User MayurB
by
7.7k points

1 Answer

2 votes
tan x + 1 = 0
tan x + 1 - 1 = 0 - 1
tan x = - 1
We will use the unit circle:
tan ( - 45° ) = - 1
tan ( - π / 4 ) = - 1
Answer:
x = - π / 4 + n π, n ∈ Z
User Kaushik Shankar
by
8.9k points

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