Question

If cos(0)

O A.
OB.
O C.
O D.
56
what is sin(0)?
√14
2√14

Answer 1

D

Explanation:

Cos = ADJ/HYP
Sin = OPP/HYP

if ADJ=5 and HYP=9
then,
using pythag:
81-25=56

sqrt(56)= 2sqrt(14)

now we put that over 9:
2sqrt(14)/9