How to use a triangle to evaluate for the six trig functions of 60 degrees Posted: March 30, 2026 | Last updated: March 30, 2026 👉 Learn how to evaluate the six trigonometric functions given a right ...

Being able to identify which formula to use, sine or cosine, and when, is necessary to answer questions on this topic successfully. Check you are confident in how to use the sine and cosine rules.

Trigonometry is the branch of mathematics that explains the relationship between sides and angles of a triangle. In a right angled triangle the three sides are perpendicular, base and hypotenuse, as ...