basictrigonometry

noun
UK /ˌbeɪsɪk trɪɡəˈnɒmətri/
US /ˌbeɪsɪk trɪɡəˈnɑːmətri/

Basic trigonometry is the math of triangles that helps you find missing sides and angles.

We used basic trigonometry to figure out how tall the tree was.


OTHER MEANINGS

2. The first lessons in trigonometry taught in school.

Basic trigonometry is covered in the first few weeks of the course.

3. The simple rules of right triangles used in everyday measuring.

Builders rely on basic trigonometry to check roof angles.

4. A beginner's understanding of how angles and sides relate.

Her basic trigonometry was enough to solve the puzzle.