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

question 49

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 $\csc B$ when $a = 9$ and $b = 7$ .

• A) \(\frac { \sqrt { 130 } } { 7 }\)
• B) \(\frac { 9 \sqrt { 130 } } { 130 }\)
• C) \(\frac { 7 \sqrt { 130 } } { 130 }\)
• D) \(\frac { \sqrt { 130 } } { 9 }\)

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Definitions:

Voltages

The potential difference in charge between two points in an electrical field, measured in volts.

Motors

Devices that convert electrical energy into mechanical energy.

Squirrel-Cage Rotor

A type of rotor in an induction motor, characterized by its cylindrical shape with conductive bars running the length of the cylinder and connected at both ends by conductive rings, creating a cage-like appearance.

Frequency

The number of cycles (of a repeating event) per unit time, measured in hertz (Hz) in the context of waves or electrical signals.