Question

Approximate, to the nearest 0.1∘, all angles θ in the interval [0∘,360∘) that satisfy the equations. If there are no solutions, enter DNE

tan(θ)=−2.3415

my answers
113.13, (180-66.87)
293.13 (360-66.87)

thanks
check my work please

Answer 1

looks good to me

Answer 2

oobleck...the computer said wrong...What could I possibly be doing wrong?
thanks

Answer 3

never mind...i got it...it wanted me to drop the 3 at the end

thanks oobleck