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The terminal ray of angle θ drawn in standard position passes through (2,−3).

What is the value of cscθ?

 May 22, 2020
 #1
avatar+111321 
+1

(x , y)  =  (2, -3)

 

r  =  sqrt  [ 2^2 + (-3)^2]  = sqrt [ 4 +9]  =  sqrt (13)

 

csc  θ  =  r / y     =  sqrt (13)  / -3     =      - sqrt (13)  /  3

 

 

cool cool cool

 
 May 22, 2020

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