91Ó°ÊÓ

Find \(\theta\), if \(0^{\circ}<\theta<360^{\circ}\) and $$ \sin \theta=-\frac{\sqrt{3}}{2} \text { and } \theta \text { in QIV } $$

Determine if the statement is possible for some real number \(z\). \(\csc 0=z\)

Find \(\theta\), if \(0^{\circ}<\theta<360^{\circ}\) and $$ \tan \theta=\frac{1}{\sqrt{3}} \text { and } \theta \text { in QIII } $$

Refer to right triangle \(A B C\) in which \(C=90^{\circ} .\) Solve each triangle. \(A=42^{\circ}, c=36\)

Refer to right triangle \(A B C\) in which \(C=90^{\circ} .\) Solve each triangle. \(a=20.5, b=31.4\)