Given any point find your six trig functions

The video tutorial covers the process of solving a trigonometric problem involving the sine function and the unit circle. It begins with an introduction to the problem, followed by a review of previous concepts related to the sine of 30 degrees and the unit circle. The tutorial then identifies the unknown variable, theta, and discusses how to approach problems with points not on the unit circle by drawing triangles and using the Pythagorean theorem. The video emphasizes the importance of understanding trigonometric functions and their relationships in solving such problems.

What does the sine of 30 degrees represent on the unit circle?

• The x-coordinate

• The y-coordinate

• The angle

• The radius

What is the radius of the unit circle?

• 3

• 0

• 1

• 2

If sine of an angle is 3/4, what should you do first?

• Calculate the tangent

• Find the angle on the unit circle

• Draw a triangle

• Use the cosine function

What is the hypotenuse of a triangle on the unit circle?

• 1

• 4

• 2

• 3

How do you find the missing side of a triangle when given two sides?

• Use the sine function

• Use the tangent function

• Use the cosine function

• Use the Pythagorean theorem

What is the next step after finding all sides of a triangle?

• Use the unit circle

• Draw another triangle

• Find the angle

• Calculate sine, cosine, and tangent

Which trigonometric function is defined as opposite over hypotenuse?

• Secant

• Sine

• Tangent

• Cosine