Opener

The Trigonometric Functions we will be looking at SINE COSINE TANGENT

The Trigonometric Functions SINE COSINE TANGENT

SINE Pronounced “sign”

Pronounced “co-sign” COSINE

Pronounced “tan-gent” TANGENT

Pronounced “theta” Greek Letter  Represents an unknown angle

opposite hypotenuse adjacent hypotenuse opposite adjacent

Finding sin, cos, and tan. Just writing a ratio.

Find the sine, the cosine, and the tangent of theta. Give a fraction Shrink yourself down and stand where the angle is. Now, figure out your ratios.

Find the sine, the cosine, and the tangent of theta Shrink yourself down and stand where the angle is. Now, figure out your ratios.

Classwork SPW 16.4

Draw  ABC where  BAC = 90  and sin B = 3/5 1.What is the length of AB? 2.What is tan C? 4 4/3

Draw stick-man standing where the angle is and mark each given side. Then tell which trig ratio you have. O H sin

Homework Worksheet