Answer:
it is d
Step-by-step explanation:
Cross multiplying:-
cot^2 x = (csc x+ 1)(csc x + 1)
also cot^2 x = csc^2 x - 1 = (csc x + 1)(csc x - 1) (Known Identitiy)
so the equation is not an identity
Answer:
Base area=16
Volume=88/3
Step-by-step explanation:
Took the test