Answer with explanation:
The given expression is:
[tex]\csc \Theta^{\circ} =\frac{1}{\sin \Theta^{\circ}}[/tex]
Domain of Cosec theta,will be all values in Radian or degree except at the point where,
→sine(theta)≠ 0.
If theta is in either Degrees or in Radian, then
[tex]\Theta\neq k \pi ,\text{Where k, is any Integer}[/tex]
The value of theta which is not in the domain for the validity of
[tex]\csc \Theta^{\circ} =\frac{1}{\sin \Theta^{\circ}}[/tex]
is, →→Theta(Ф)≠ k π, for any integer ,k.
