Evaluate the six trigonometric functions given an trig equation

The video tutorial covers the basics of trigonometric ratios, starting with sine and its definition as the ratio of the opposite side to the hypotenuse. It then explains how to find other trigonometric ratios such as cosine, tangent, and their reciprocals. The tutorial demonstrates calculating the adjacent side using the Pythagorean theorem and emphasizes the importance of simplifying radicals. Finally, it reviews the process of rationalizing denominators and addresses student questions.

What is the sine of an angle in a right triangle?

• Adjacent over opposite

• Opposite over hypotenuse

• Adjacent over hypotenuse

• Hypotenuse over opposite

Which formula is used to find the missing side in a right triangle?

• Sine rule

• Cosine rule

• Pythagorean theorem

• Tangent rule

What is the cosine of an angle in a right triangle?

• Opposite over adjacent

• Adjacent over hypotenuse

• Hypotenuse over opposite

• Opposite over hypotenuse

What is the reciprocal of the sine function?

• Cosecant

• Tangent

• Secant

• Cotangent

What is the process of eliminating a radical from the denominator called?

• Factoring

• Expanding

• Rationalizing

• Simplifying