The answer is going to be 11.98. hope that helped
Answer:
first is the second box
second is also second box
thris is third box
Step-by-step explanation:
Step-by-step explanation:





Note: I used the identity

for the last step.
PS. I love proving trigonometric identities!
Answer:
8.2
Step-by-step explanation:
5±11±2±7±16=41
41÷5=8.2