Answer:
Option B: sin Ф cos² Ф
Step-by-step explanation:
Given expression:
[tex]\frac{sin^2 \phi}{csc \ \phi \ * tan^2 \ \phi} = \frac{sin^2 \phi}{\frac{1}{sin \ \phi}*\frac{sin^2 \phi}{cos^2 \phi} } = sin \ \phi * cos^2 \ \phi[/tex]
Note:
csc Ф = 1/sin Ф
tan Ф = (sin Ф)/(cos Ф)
