# WONDER #2793: How Do Sine, Cosine, and Tangent Work?

Question **1** of **3**

## Which is NOT a word you would use to label the sides of a triangle to find sine, cosine, and tangent?

- Parallel
- Opposite
- Adjacent
- Hypotenuse

Question **2** of **3**

## Which is the correct formula for finding sine of an angle labeled theta (Θ)?

- Sine Θ = Adjacent ÷ Hypotenuse
- Sine Θ = Cosine ÷ Tangent
- Sine Θ = Opposite ÷ Hypotenuse
- Sine Θ = Opposite ÷ Adjacent

Question **3** of **3**

## Which mnemonic can help you remember the formulas of sine, cosine, and tangent?

- Please Excuse My Dear Aunt Sally
- SOHCAHTOA
- How I wish I could calculate pi
- HOMES

Check your answers online at https://www.wonderopolis.org/wonder/How-Do-Sine,-Cosine,-and-Tangent-Work.