**SWBAT explore the inverse cosine function to find an unknown reference angle.**

__Learning Target:__ m3_t2_l3_the_cosine_ratio_day_2.pdf |

__What is the "arccos" or "inverse cosine" function used for?__

**EQ:******

__Assignment:__****

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**Complete the student.desmos card sort activity. (Link is in google classroom)****Complete M2 183-185****You should be working on Module 2 "***Trigonometry***" workspace in MATHIA.****[Go back and Finish Module 1 MATHIA as well]**

m2_183-185.pdf |