(A2M2L07) Trigonometry and Trig Functions: Tangent and Secant Interactive Unit Circle
This is a unit circle that finds tangent the length of AD and the secant the length of BD you can move around the point C to find the tangent and secant of different angles measures.
1) Find the tangent and secant of 45°
2) Find the secant of 60°
3) Use a calculator to find the cosine of 60°?
4) What is similar between the secant of 60° and the cosine of 60°?
5) ** Bonus Why?