Exploring Trigonometric Functions in Right-Angled Triangles

What are the three primary trigonometric functions discussed?

• Sine, Cosine, and Circle

• Sine, Cosine, and Tangent

• Square, Circle, and Triangle

• Sine, Square, and Tangent

What does 'sin' stand for in trigonometry?

• Sine equals adjacent over opposite

• Sine equals hypotenuse over opposite

• Sine equals adjacent over hypotenuse

• Sine equals opposite over hypotenuse

Which side of the triangle is always opposite the right angle?

• Adjacent

• Hypotenuse

• Opposite

• Base

What is the primary purpose of trigonometric functions in right angle triangles?

• To calculate the area of the triangle

• To determine the length of unknown sides

• To find the height of the triangle

• To measure the angles of the triangle

Which button labels should you be familiar with on a calculator for trigonometry?

• Power, Square Root, Cube Root

• Log, Ln, Exp

• Sin, Cos, Tan

• Add, Subtract, Multiply

What does the mnemonic 'SOHCAHTOA' help to remember?

• The order of operations in algebra

• The steps to solve a quadratic equation

• The names of three famous mathematicians

• The formulas for sine, cosine, and tangent

How is the cosine of an angle in a right triangle defined?

• Opposite over hypotenuse

• Hypotenuse over opposite

• Opposite over adjacent

• Adjacent over hypotenuse

In the context of trigonometry, what does 'Theta' represent?

• The area of a triangle

• A specific type of triangle

• An angle

• An unknown side length

Which trigonometric function is used when given the opposite side and looking for the adjacent side?

• Sine

• Cotangent

• Cosine

• Tangent

When given the hypotenuse and looking for the adjacent side, which trigonometric function is used?

• Sine

• Tangent

• Secant

• Cosine