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Given csc(x)=4. find sec(pi/2-x)

 

answer is 4 but how?

 Apr 26, 2015

Best Answer 

 #1
avatar+126679 
+5

Remember that  we have the co-function identity....

csc(u)  = sec(pi/2 - u)   ....so....

If csc(x)  = 4

Then....sec(pi/2 - x)  also = 4

 

  

 Apr 26, 2015
 #1
avatar+126679 
+5
Best Answer

Remember that  we have the co-function identity....

csc(u)  = sec(pi/2 - u)   ....so....

If csc(x)  = 4

Then....sec(pi/2 - x)  also = 4

 

  

CPhill Apr 26, 2015

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