Homework Help Forum: 11th grade

Posted by Anonymous on Wednesday, February 11, 2009 at 6:58pm.

tan^2x=tanx+2

• 11th grade - drwls, Wednesday, February 11, 2009 at 7:39pm

  Note that the equation can be rearranged and factored as follows: tan^2x -tanx -2 = 0 (tanx -2)(tanx +1) = 0 tan x = 2 or -1 There are four angles between 0 and 360 degrees that are solutions. One of them is 135 degrees. Another is 63.435 degrees. See if you can find the others.

  
  

• 11th grade - Angela, Tuesday, April 7, 2009 at 9:03pm

  52

  
  

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