Inverse Trigonometric Functions and Angles

The video tutorial explains how to evaluate trigonometric expressions using reference triangles. It covers the evaluation of cosine of inverse sine, sine of inverse tangent, tangent of inverse cosine, and cosine of inverse tangent. The tutorial emphasizes the use of reference triangles, rationalization of denominators, and handling negative inputs in inverse trigonometric functions.

What is the cosine of the angle obtained from the inverse sine of 1/2?

• 1/2

• 1

• Square root of 3 divided by 2

• Square root of 2 divided by 2

Which reference triangle is used to find the sine of the angle obtained from the inverse tangent of 1?

• 60-30-90 triangle

• 90-45-45 triangle

• 45-45-90 triangle

• 30-60-90 triangle

What is the sine of the angle obtained from the inverse tangent of 1?

• Square root of 2 divided by 2

• 1

• Square root of 3 divided by 2

• 1/2

What is the angle in radians for the inverse cosine of negative square root of 3 divided by 2?

• 5 Pi over 6

• 2 Pi over 3

• Pi over 6

• Pi over 3

In which quadrant is the angle for the inverse cosine of negative square root of 3 divided by 2 located?

• Second quadrant

• First quadrant

• Fourth quadrant

• Third quadrant

What is the tangent of the angle obtained from the inverse cosine of negative square root of 3 divided by 2?

• Square root of 3 divided by 3

• 1

• Negative square root of 3 divided by 3

• Negative 1

What is the angle in radians for the inverse tangent of negative square root of 3?

• Pi over 3

• Negative Pi over 3

• Negative Pi over 6

• Pi over 6

In which quadrant is the angle for the inverse tangent of negative square root of 3 located?

• Fourth quadrant

• First quadrant

• Second quadrant

• Third quadrant

What is the cosine of the angle obtained from the inverse tangent of negative square root of 3?

• 1

• Square root of 2 divided by 2

• Square root of 3 divided by 2

• 1/2

What is the reference angle used for the inverse tangent of negative square root of 3?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees