- Cosine - Glossary Term
In any right-angled triangle,
cos θ =
where 0o < θ < 90o
In any triangle ABC,
c2 = a2 + b2 − 2ab cos C
In any right-angled triangle,
cos θ =
In any triangle ABC,
c2 = a2 + b2 − 2ab cos C
This site was developed in collaboration with ACARA by Education Services Australia
Education Services Australia
© Australian Curriculum, Assessment and Reporting Authority
Copyright
| Privacy policy
| Accessibility statement
