how do you find exact solutions in the interval 2sin^2x= 2+cos x tan^2x-tanx=0
S ShanikaC New member Joined Apr 20, 2006 Messages 7 Apr 20, 2006 #1 how do you find exact solutions in the interval 2sin^2x= 2+cos x tan^2x-tanx=0
skeeter Elite Member Joined Dec 15, 2005 Messages 3,216 Apr 20, 2006 #2 Re: trig ShanikaC said: how do you find exact solutions in the interval 2sin^2x= 2+cos x change sin<sup>2</sup>x to 1 - cos<sup>2</sup>x and solve the resulting quadratic tan^2x-tanx=0 try factoring the left side and set each factor = 0 and solve Click to expand...
Re: trig ShanikaC said: how do you find exact solutions in the interval 2sin^2x= 2+cos x change sin<sup>2</sup>x to 1 - cos<sup>2</sup>x and solve the resulting quadratic tan^2x-tanx=0 try factoring the left side and set each factor = 0 and solve Click to expand...
S ShanikaC New member Joined Apr 20, 2006 Messages 7 Apr 20, 2006 #3 thank you skeeter I am being home schooled and my teacher dont know what she is doing.