Answer:
LHS=
b/h ÷b/p
b/h × p/b
p/h =Sin A
RHS proved
Step-by-step explanation:
Sin= p/h
cos= b/h
cot= b/p
in the second step we did reciprocal formula where ÷ sign will turn into × sign and b/h will turn into p/h. now we can do cancel b and b
now the answer is p/h
