Question

help with 3 problems?

Answer 1

for each of these problems, I would use this calculator

http://web2.0calc.com/

so for #15, for instance, you'd type in `tan(45)` and you make sure you're in degree mode before hitting enter

Answer 2

13. I wasn't sure but I was thinking B
I put 14 in the calculator and got 1, so C.
15. I got D 1

Answer 3

You have them all correct. Nice job

Answer 4

Thank you!

Answer 5

you're welcome

Answer 6

you are correct for all the questions.