Math 3 A Block 2.25.15
February 25, 2015
Objective: Extend the definitions of sine,
cosine, and tangent beyond 90 degrees.
Olivia watches Paul walk around a circle. The circle's radius is 1
meter. Olivia stands at the center, and Paul begins walking
counter-clockwise. Consider a coordinate grid with Olivia
standing at the origin and Paul starting at point (1,0).
Math 3 A Block 2.25.15
February 25, 2015
As Paul walks, Olivia watches Paul and keeps track of the angle
she has turned. For example, when Olivia has turned 70
degrees, the situation looks like this.
Find the coordinates of Paul's location
when Olivia has turned 70 degrees
Find Paul's coordinates when Olivia has turned:
a) 130 degrees
b) 210 degrees
Math 3 A Block 2.25.15
February 25, 2015
Find Paul's coordinates when
Paul has turned
degrees.
Math 3 A Block 2.25.15
February 25, 2015