Problem

Solve the trigonometric equation for all values $0 \leq x<2 \pi$. \[ \cot x+1=0 \]

Solution

Step 1 :Rewrite the equation as: \( \frac{1}{\tan x} + 1 = 0 \)

Step 2 :Solve for \(\tan x\) to get \(\tan x = -1\)

Step 3 :Find the value of x in the range \(0 \leq x < 2\pi\) that satisfies the equation: \(x = \frac{3\pi}{4}\)

Step 4 :\(\boxed{x = \frac{3\pi}{4}}\)

From Solvely APP
Source: https://solvelyapp.com/problems/11920/

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