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If x is an obtuse angle such that sin(x) = 5/6, then compute cos(x) and tan(x).

 Oct 4, 2021
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Rememger   sin^ + cos^2 =1        cos will be negative for angles > 90 degrees    (and less than 270)

  1-  25/36 = cos ^2      cos = - sqrt11/6 

 

tan = sin/cos     <====== you can finish..... 

 Oct 4, 2021

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