the second option
Step-by-step explanation:
root 4 16 is 2
root 4 powers mean divide by 4
Answer:a)9
I think
Step-by-step explanation:
Answer:
complementary angles are angles that sum up to 90 degrees. that is all I can say because I can't see any diagram
Answer:
add them all up together and then divide by the number of items
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>





