Answer
$-0.8391$
Work Step by Step
Step 1: Ensure that the calculator is in degrees.
Step 2: $\cot 320^{\circ}=\frac{1}{\tan 320^{\circ}}$
Step 3: Type $\frac{1}{\tan 320^{\circ}}$ into the calculator and press enter.
Step 4: Rounding out the answer to 4 decimal places,
$\frac{1}{\tan 320^{\circ}}\approx-0.8391$.
