Question

Which is equal to ???

Answer 1

`csc54`°

Explanation:

`sec36`° =
`(1)/(cos36)`

and;
`(1)/(cos36) = (1)/(sin 90 -54)` ... (co-functions)

and
`(1)/(sin90-54) = csc54` .... (csc in the reciprocal of sin)