anonymous
  • anonymous
use the quadratic formula to solve the given equation on the interval (0,pi/2); then use a graphing utility to approximate the angle x. round answer to three decimal places. 75sin^2x-34sinx+3=0
Mathematics
katieb
  • katieb
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lgg23
  • lgg23
use substitution method. let sin x be whatever variable you'd like like a. therefore you'd get: \[75 a ^{2} -34 a+3=0\] then factor, if factoring doesn't work use quadratic formula. as for finding the angle follow the directions and approximate the angle x.
lgg23
  • lgg23
don't forget when you get to the when you're done factoring that remember that you are solving for x so replace variable a with sin x.
anonymous
  • anonymous
Ok so after I factored I got a=1/3, 3/25..... these don't match up with the answers provided.

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