Question

cosx+2secx=-3
solve each equation for all real values of x

Answer 1

change secx to 1/cosx

Answer 2

\[\cos x+\frac{2}{\cos x}+3=0\]

Answer 3

\[\cos ^2x+3\cos x+2=0\]

Answer 4

Factor and solve.

Answer 5

could you elaborate a little on how you got from the 2/cosx to the next step?

Answer 6

nevermind! thanks