Use a Calculator to Find an Approximate Value of Each $\cos ^ { - 1 } ( 0.34567 )$

question 6

Short Answer

Use a calculator to find an approximate value of each expression correct to five decimal places, if it is defined.
(a)
$\cos ^ { - 1 } ( 0.34567 )$
(b)
$\sin ^ { - 1 } ( - 0.34567 )$
(c)
$\tan ^ { - 1 } ( 0.34567 )$

---

Definitions:

Pseudomonas

A genus of bacteria known for their ability to colonize a wide range of environments, including soil and water; some species can cause infections in humans.

Ventilator

A machine that supports breathing by moving breathable air into and out of the lungs, used for patients who are unable to breathe adequately on their own.

Sepsis

A life-threatening condition caused by the body's response to an infection, leading to tissue damage, organ failure, and potentially death.

Artificial Arm

An artificial arm is a prosthetic device designed to replace a missing or amputated arm, enhancing the user's ability to perform daily activities.