Trigonometric Functions and Angles

The video tutorial explains how to find the measure of angles in triangles using trigonometric functions. It covers identifying triangle parts like hypotenuse, adjacent, and opposite sides. The tutorial demonstrates using sine, cosine, and tangent functions to solve angle problems and explains how to use inverse trigonometric functions with a calculator to find angles to the nearest degree.

What is the hypotenuse in a right triangle?

• The side opposite the right angle

• The shortest side of the triangle

• The side adjacent to the right angle

• The longest side of the triangle

How do you identify the adjacent side in a triangle?

• It is the side opposite the right angle

• It is the side beside the reference angle

• It is the side opposite the reference angle

• It is the longest side of the triangle

Which trigonometric function is defined as opposite over hypotenuse?

• Sine

• Cosine

• Secant

• Tangent

If the opposite side is 43 and the hypotenuse is 56, which function would you use to find the angle?

• Cosine

• Sine

• Tangent

• Cotangent

What is the angle if sine of the angle is 43/56?

• 55 degrees

• 45 degrees

• 60 degrees

• 50 degrees

Which trigonometric function is used when you have the adjacent and hypotenuse?

• Cosecant

• Tangent

• Cosine

• Sine

If the adjacent side is 38 and the hypotenuse is 63, what is the angle using cosine?

• 53 degrees

• 50 degrees

• 45 degrees

• 60 degrees

Which function would you use if you have the opposite and adjacent sides?

• Sine

• Secant

• Cosine

• Tangent

What is the angle if tangent of the angle is 14/27?

• 35 degrees

• 25 degrees

• 27 degrees

• 30 degrees

What is the inverse function of sine called?

• Arcsecant

• Arctangent

• Arccosine

• Arcsine