Use a Calculator to Find the Value of the Expression $\tan ^ { - 1 } ( 0.2 )$

question 87

Multiple Choice

Use a calculator to find the value of the expression rounded to two decimal places.
- $\tan ^ { - 1 } ( 0.2 )$

• A) \(78.69\)
• B) \(11.31\)
• C) \(0.20\)
• D) \(1.37\)

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Definitions:

P-Type

A type of semiconductor material that is doped with elements which create excess positive charge carriers or holes.

N-Type

A category of semiconductor material where the charge carriers are predominantly electrons, achieved by doping the material with elements having more valence electrons than the semiconductor.

Semiconductor Materials

Materials that have electrical conductivity between that of a conductor and an insulator, used in the manufacture of electronic devices, including silicon and germanium.

Piezoelectricity

The production of electricity by applying pressure to a crystal.