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find sin and tan if cos theta = 0

Guest Feb 28, 2017
 #1
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Confining ourselves to  0° to 360”

 

The cos is 0  at 90” and 270°

 

The tagent is undefined for these two angles

 

The sine  = 1 at 90°  and  -1 at 270°

 

 

cool cool cool

CPhill  Feb 28, 2017

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