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:
508.4
Step-by-step explanation:
This is on delta math
Answer:
4$
Step-by-step explanation:
Answer:
1.4 i would wait for someone else to answer it I'm not sure
Step-by-step explanation: