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If cos θ= 1/4and 0

 Apr 15, 2020
 #1
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If cos θ= 1/4and θ is between 0 and 90, find tan θ

 Apr 15, 2020
 #2
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cos^2 + sin^2 = 1

1/16   + sin^2 = 1

sin^2 = 15/16       sin =  sqrt15 /4

 

tan = sin / cos  =   sqrt15/4 /1/4  = sqrt 15

 Apr 16, 2020

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