Question 766480
Factor and solve.(Use calculator to solve.)
For interval: [0,180º]
sec^2x+tanx–3=0
tan^2x+1+tanx-3=0
tan^2x+tanx-2=0
(tanx+2)(tanx-1)=0
..
tanx+2=0
tanx=-2
x=116.56º
..
tanx-1=0
tanx=1
x=45º