Cosine is the $x$-value. Where on the unit circle is $x = 1$?

What $θ$ gives a tangent of $1$ or $−1$?
What quadrants would the tangent be $−1$?

Change the $\text{csc }θ$ to $1$/sin $θ$.

$\frac{1}{\cos\theta}=\frac{\sqrt2}{1}$