Right Angle Trig

Which trigonometric function would you use to find "h", the height of the tree?

• sine

• cosine

• tangent

• none of these

What Greek letter is often used to represent an acute angle of a right triangle?

• Delta

• Alpha

• Theta

• Beta

Answer explanation

Which trigonometric function is the opposite over the hypotenuse?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Sine is written as sin(x).

Which trigonometric function is the adjacent over the hypotenuse?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Cosine is written as cos(x).

Which trigonometric functions is the opposite over the adjacent?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Tangent is written as tan(x).

Which side is the hypotenuse?

• AB

• BC

• CA

Answer explanation

The hypotenuse is the side directly across from the right angle.

What is the SINE ratio of any angle in a right triangle

What is the COSINE ratio of any angle in a right triangle

What is the TANGENT ratio of any angle in a right triangle

"θ" is used to represent an unknown ____________.

• angle

• side

• hypotenuse