1. Nov 25, 2011 #1

   ohaiyo88

   

   y - xtanθ = z/cosθ
   
   Find θ in terms of x,y,z
   equation seems so simple, but cant do it

    

   ohaiyo88, Nov 25, 2011
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3. Nov 25, 2011 #2

   ehild

   

   Homework Helper

   Gold Member

   What did you try?
   
   
   ehild

    

   ehild, Nov 25, 2011
4. Nov 25, 2011 #3

   ohaiyo88

   

   cant do it. pls help. it's urgent

    

   ohaiyo88, Nov 25, 2011
5. Nov 25, 2011 #4

   ehild

   

   Homework Helper

   Gold Member

   You can use the relation between cos(θ) and than(θ):
   1/cos(θ)=sqrt(1+tan²(θ)).
   
   
   ehild

    

   ehild, Nov 25, 2011

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