A2M2L4 SB 1­ Circleometry to Trigonometry day 1.notebook
December 03, 2015
From Circle­ometry to Trigonometry MP.5 F.TF.2 F.TF.3 Special Right Triangles
Sine, Cosine, Tangent
Proportions
Pythagorean Triples
3, 4, 5
5, 12, 13
7, 24, 25
8, 15, 17
Do Now:
A2M2L4 SB 1­ Circleometry to Trigonometry day 1.notebook
December 03, 2015
Unit Circles have a radius equal to 1 and center at the origin.
If point P is , find the sine and cosine of angle θ.
***All points on the unit circle are in the form (cos θ, sin θ)
Scaling of the Unit Circle
A2M2L4 SB 1­ Circleometry to Trigonometry day 1.notebook
December 03, 2015
Find also: o
sin 60 = o
sin 45 =
o
o
cos 45 = cos 60 =
Find: o
sin 150 =
o
cos 150 = o
sin 210 = o
cos 210 =
o
sin 330 =
o
cos 330 =
A2M2L4 SB 1­ Circleometry to Trigonometry day 1.notebook
December 03, 2015
Find: o
sin 135 =
o
cos 135 = o
sin 225 = o
cos 225 =
o
sin 315 =
o
cos 315 =
Find: o
sin 120 =
o
cos 120 = o
sin 240 = o
cos 240 =
o
sin 300 =
o
cos 300 =
A2M2L4 SB 1­ Circleometry to Trigonometry day 1.notebook
Homework: Worksheet
December 03, 2015
A2M2L4 SB 1­ Circleometry to Trigonometry day 1.notebook
December 03, 2015