Use a Calculator to Evaluate the Trigonometric Function $\sec 225 ^ { \circ }$

question 35

Multiple Choice

Use a calculator to evaluate the trigonometric function. Round your answer to four decimal places. (Be sure the calculator is set in the correct angle mode.) $\sec 225 ^ { \circ }$

• A) \(\sec 225 ^ { \circ } \approx - 1.4142\)
• B) \(\sec 225 ^ { \circ } \approx - 1.0475\)
• C) \(\sec 225 ^ { \circ } \approx 0.0475\)
• D) \(\sec 225 ^ { \circ } \approx - 0.4142\)
• E) \(\sec 225 ^ { \circ } \approx 1.0475\)

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Definitions:

Gastric Residual Volume (GRV)

Gastric Residual Volume (GRV) refers to the amount of content remaining in the stomach after a set period of digestion, used to evaluate gastric emptying in patients receiving enteral nutrition.

Continuous Tube Feeding

The delivery of liquid nutrition through a tube directly into the stomach or intestine over 24 hours without interruption.

Stylet

A thin, flexible instrument inserted into or through a catheter or tube to maintain its shape during insertion.

Nasogastric (NG) Feeding Tube

A tube that is inserted through the nose down into the stomach, used for providing nutrition to patients unable to eat orally.