Two Sides of a Right Triangle ABC (C Is the Right

question 61

Multiple Choice

Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given
angle. Give exact answers with rational denominators.
-Find $\sec B$ when $a = 9$ and $b = 5$ .

• A) \(\frac { 9 \sqrt { 106 } } { 106 }\)
• B) \(\frac { \sqrt { 106 } } { 9 }\)
• C) \(\frac { 9 \sqrt { 106 } } { 5 }\)
• D) \(\frac { 5 \sqrt { 106 } } { 106 }\)

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Definitions:

Solute

A dissolved substance.

Phagocytosis

“Cell eating”; type of receptor-mediated endocytosis in which a cell engulfs a large solid particle such as another cell.

White Blood Cells

Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Foreign Particles

Tiny, extraneous substances not naturally part of a system, often causing harm or disruption.