2.2a Right Triangle Trig! Warm-up (IN) Convert to radians: a. b.

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Presentation transcript:

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.

SOH CAH TOA CAO SHA CHO NOTES 6 trig functions! c a IN PP YP OS DJ YP AN 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

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

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

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!!!