Use a Calculator to Find an Approximate Value of Each $\cos ^ { - 1 } ( 1.34567 )$

question 70

Short Answer

Use a calculator to find an approximate value of each expression correct to five decimal places, if it is defined.
(a)
$\cos ^ { - 1 } ( 1.34567 )$
(b)
$\sin ^ { - 1 } ( 1.34567 )$
(c)
$\tan ^ { - 1 } ( 1.34567 )$

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Definitions:

External Iliac

An artery that branches off from the common iliac artery and supplies blood to the lower limb.

Posterior Tibial Artery

A significant artery of the lower leg that supplies blood to the posterior compartment of the leg and sole of the foot.

Popliteal Artery

The major artery located behind the knee that branches from the femoral artery and supplies blood to the lower leg.

Axillary Artery

A major blood vessel that carries oxygenated blood to the lateral aspect of the thorax, armpit, and upper limb.