8-3 Solving Right Triangles - GEOMETRY

The video tutorial covers the basics of trigonometry, focusing on how to find angle measures using sine, cosine, and tangent functions. It explains the concept of inverse trigonometric functions and demonstrates how to use a calculator to perform these calculations. The tutorial provides step-by-step examples for calculating angles using both sine and tangent, emphasizing the importance of understanding the relationships between opposite, adjacent, and hypotenuse sides in right triangles.

What trigonometric function is used to find an angle when you know the opposite side and the hypotenuse?

• Secant

• Tangent

• Sine

• Cosine

How do you calculate the inverse sine of a ratio using a calculator?

• Press the sine button

• Press the cosine button

• Press the second function key followed by the sine button

• Press the tangent button

Which trigonometric function is used when you have the opposite and adjacent sides of a triangle?

• Sine

• Cosine

• Tangent

• Cosecant

What is the result of using the inverse tangent function on a calculator for the ratio 3.6/4.8?

• 60 degrees

• 45 degrees

• 36.87 degrees

• 53.13 degrees

What is the sum of angles in a triangle?

• 270 degrees

• 180 degrees

• 360 degrees

• 90 degrees