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avatar+159 

given: x + x/sqrt(x^2 - 1) = 35/12

let x = 1/cos α 

α belongs to the range (0, π/2)

Using trigonometric identities, what are the possible values for x?

any help is greatly appreciated :))

 Apr 5, 2019
 #1
avatar+30313 
+5

Perhaps the following will help:

 

 Apr 6, 2019

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