Use cofunction identities and trig identities to find the indicated trig functions

The video tutorial explains how to calculate the tangent of 60 degrees using known values of sine and cosine. It begins by stating the sine and cosine values for 60 degrees, then introduces the relationship between tangent, sine, and cosine. The tutorial proceeds to calculate the tangent by dividing the sine value by the cosine value and simplifies the expression to find the result. The process is concluded with a summary of the steps involved in evaluating the tangent.

What is the sine of 60 degrees?

• 1/2

• 1

• sqrt 3 / 2

• sqrt 2 / 2

How is the tangent of an angle related to its sine and cosine?

• Tangent is the cosine divided by sine

• Tangent is the sum of sine and cosine

• Tangent is the product of sine and cosine

• Tangent is the sine divided by cosine

What is the cosine of 60 degrees?

• 1/2

• sqrt 2 / 2

• sqrt 3 / 2

• 1

What is the first step in simplifying the expression for tangent of 60 degrees?

• Subtract the cosine value from the sine value

• Multiply the sine and cosine values

• Divide the sine value by the cosine value

• Add the sine and cosine values

What is the final value of the tangent of 60 degrees?

• sqrt 2

• 1/2

• sqrt 3

• 1