1. 2.2a Right Triangle Trig! Warm-up (IN) Convert to radians: a. b.
Learning Objective: To learn and use all 6 trig functions and to solve unknown lengths of right triangles in standard position.
Warm-up (IN)
Convert to radians:
a. b.
2. Convert to degrees:
a. b.
4. Find the area of the sector of a circle with the given measures: a.

2. SOH CAH TOA CAO SHA CHO NOTES 6 trig functions! c a IN PP YP OS DJ YPAN PP DJ
CAO SHA CHO b OT DJ EC YP DJ PP SC YP PP
6 trig functions! a c
cosecant c a b c
secant c b a b
cotangent b a

3. Ex 1 - Find the value of all six trig functions given:
First find x… 5
Use Pythagorean theorem! 3 x 3 5 5 3 4 5 5 4 3 4 4 3

4. Given sinΘ = and cosΘ = , find the remaining 4 trig functions1
Note… 1 1
Ex 2 -
Given sinΘ = and cosΘ = , find the
remaining 4 trig functions
Must rationalize the denominator!

5. 2.1 Quiz next time!!! HW – p. 137 #11-17,21-23,28-32
Out – how do you find the 6 trig functions?
Summary - Wow, today was…
HW – p. 137 #11-17,21-23,28-32
2.1 Quiz next time!!!