question 129

Short Answer

$$\text { Find the area bounded by the curves } y = 3 \cos x \text { and } y = 3 \cos ^ { 2 } x \text { between } x = 0 \text { and } x = \frac { \pi } { 2 } \text {. }$$

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Definitions:

Eustachean

Relating to the Eustachian tube, which connects the middle ear cavity with the nasopharynx, helping equalize air pressure on both sides of the eardrum.

Eustashian

Likely a misspelling of "Eustachian," relating to the Eustachian tube that connects the middle ear to the nasopharynx, helping equalize air pressure.

Keflex

A brand name for the antibiotic cephalexin, used to treat a wide variety of bacterial infections by inhibiting cell wall synthesis.

Antibiotic

A type of medication used to treat bacterial infections by killing or inhibiting the growth of bacteria.