How do you solve sec^2 theta + tan theta = 0sec2θ+tanθ=0?

1 Answer
May 4, 2015

tan thetatanθ=(-1+-isqrt3)/21±i32

Write sec^2 theta = 1+tan^2 thetasec2θ=1+tan2θ, so that given equation becomes tan^2 theta +tan theta +1=0tan2θ+tanθ+1=0. Solving this for tan thetatanθ we would have tan theta = (-1+-sqrt(1-4))/2tanθ=1±142

=(-1+-isqrt3)/21±i32