Question

please help! image below

Answer 1

hey!!

Answer 2

you have a lot of questions there
the first batch are all calculator exercises
want to do one?

Answer 3

yes please

Answer 4

no one uses degrees and minutes, this stuff is from the 60's
here check the link
http://www.wolframalpha.com/input/?i=sin%2840+degrees+20+minutes%29

Answer 5

how would i insert it into a calculator?

Answer 6

you on a computer right?

Answer 7

yes but i have a calculator in front of me and i need to know how to do it on one for a test

Answer 8

ok well since you are using archaic minutes, you would have to convert to a decimal first

Answer 9

20 minutes is \(\frac{20}{60}=\frac{2}{3}\) which makes a crapo decimal, \[.22222\] etc

Answer 10

so you would put your calculator in degree mode and maybe type in
\[\sin(40+20\div 60)\]

Answer 11

actually \(\frac{2}{3}=0.6666...\) but still a lousy decimal

Answer 12

when i put sin(...) in the cal i get .5569462797

Answer 13

oops i put 80 not 60
so i get .4858812599