Use a Calculator to Find the Function Value $$\sin ^ { 2 } 57 ^ { \circ } + \cos ^ { 2 } 57 ^ { \circ }$$

question 40

Multiple Choice

Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.
- $$\sin ^ { 2 } 57 ^ { \circ } + \cos ^ { 2 } 57 ^ { \circ }$$

• A) 1
• B) -1
• C) 0
• D) 2

---

Definitions:

Dilator

A tool or substance used to expand or enlarge an opening or passage in the body.

Onychectomy Tray

a set of surgical instruments specifically designed for performing onychectomies, the surgical removal of nails.

Nail Removal

A medical procedure involving the extraction of a nail (fingernail or toenail) due to infection, disease, or injury.

Sterile Transfer Forceps

Specialized tools used in medical and laboratory settings to transfer sterile materials without contaminating them.