Answer: I belive the answer is C
Step-by-step explanation:
Answer: see proof below
<u>Step-by-step explanation:</u>

Use the following Identities:
sec Ф = 1/cos Ф
cos² Ф + sin² Ф = 1
<u>Proof LHS → RHS</u>






Answer:
Type of drink given to each group
Step-by-step explanation: