The Other 3 Trig. Functions

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Presentation transcript:

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.

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 :      

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

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

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

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

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

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