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The terminal ray of angle  θ drawn in standard position passes through (1,−3) .

What is the value of cscθ ?

Enter your answer in the box. Enter your answer in simplest form.

 May 13, 2020
 #1
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(1, -3) = (x , y)

 

csc θ =  r / y

 

r = sqrt  (x^2 + y^2)  =  sqrt ( 1^2 + (-3)^2)   =  sqrt (10)

 

So

 

csc θ  = sqrt (10)  / - 3  =   -sqrt (10) / 3

 

 

cool cool cool

 May 13, 2020

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