SOLUTION: Ok, I am a beginner in learning about sin, cos, and tan. When the unknown value is in the numerator I have no problem but when its in the denominator I am very confused. Ex. cos(3

Algebra ->  Trigonometry-basics -> SOLUTION: Ok, I am a beginner in learning about sin, cos, and tan. When the unknown value is in the numerator I have no problem but when its in the denominator I am very confused. Ex. cos(3      Log On


   

Question 848579: Ok, I am a beginner in learning about sin, cos, and tan. When the unknown value is in the numerator I have no problem but when its in the denominator I am very confused.
Ex. cos(35)=7/x
How would I solve that
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Putting the unknown value in the numerator...

cos(35)=7/x

  x = 7/cos(35)