Trigonometric Functions and Ratios

The video tutorial introduces trigonometric functions of acute angles, explaining the concept of SOHCAHTOA and how to apply it to right triangles. It covers the reciprocal trigonometric functions and emphasizes the importance of memorizing these relationships. The tutorial demonstrates using the Pythagorean theorem to find side lengths and calculate trigonometric values. A final example reinforces the concepts learned, providing a comprehensive understanding of trigonometric functions in right triangles.

What is the maximum degree measure for an angle to be considered acute?

• 60°

• 45°

• 180°

• 90°

What is the primary focus of trigonometry?

• Study of circles

• Study of triangles

• Study of squares

• Study of polygons

In the context of trigonometry, what does the 'SOH' in SOH-CAH-TOA stand for?

• Sine Opposite Hypotenuse

• Sine Over Hypotenuse

• Sine Opposite Height

• Sine Over Height

Which side of a right triangle is opposite the angle Theta?

• Opposite

• Adjacent

• Base

• Hypotenuse

What is the reciprocal of the sine function?

• Tangent

• Cotangent

• Cosecant

• Secant

What is the reciprocal of the cosine function?

• Tangent

• Cosecant

• Secant

• Cotangent

What is the reciprocal of the tangent function?

• Cosecant

• Secant

• Cotangent

• Sine

What is the secant of an angle if the cosine is 4/5?

• 5/4

• 4/5

• 3/5

• 5/3

What is the cosecant of an angle if the sine is 3/5?

• 4/5

• 5/4

• 5/3

• 3/5

Which theorem is used to find the length of the hypotenuse in a right triangle?

• Euclid's Theorem

• Fermat's Theorem

• Thales' Theorem

• Pythagorean Theorem