1. The Other 3 Trig. Functions
There are 3 additional trigonometric functions. They are secant, cosecant, and cotangent. You could call them cousins of the original functions we have previously used.

2. The Other 3 Trig. Functions
There are 3 additional trigonometric functions. They are secant, cosecant, and cotangent. You could call them cousins of the original functions we have previously used.
Here are the functions and their ratios :

3. The Other 3 Trig. Functions
Example # 1 : Find the sec, csc, and tan for the given triangle. 4 θ 5

4. The Other 3 Trig. Functions
Example # 1 : Find the sec, csc, and tan for the given triangle.
We must first find the hypotenuse and label…
hyp
opp 4 θ
adj 5

5. The Other 3 Trig. Functions
Example # 1 : Find the sec, csc, and tan for the given triangle.
hyp
opp 4 θ
adj 5

6. The Other 3 Trig. Functions
Example # 2 : Find the sec, csc, and tan for ( 9 , 2 ).

7. The Other 3 Trig. Functions
Example # 2 : Find the sec, csc, and tan for ( 9 , 2 ).
We must first find “r”…

8. The Other 3 Trig. Functions
Example # 2 : Find the sec, csc, and tan for ( 9 , 2 ).