Find the values of @
(Given the answers in fractions)
1. cos@=6/10
2. cos@=1.8/8
Find the values of tan @
(Leave the answer in surd form if necessary)
1. tan@=3/7
Find the values(Leave the answer in surd form )
1. sin @=2/4
2006-12-25 15:03:09 · 2 個解答 · 發問者 Serena 1 in 科學 ➔ 數學
RE:Mr Kwok
o=度?
2006-12-25 15:59:50 · update #1
cos@
1. cos@ = 6/10
cos@ = 3/5
@ = 53.13 (2d.p)
@ = 5313/100' ,,
2. cos@ = 1.8/8
cos@ = 9/40
@ = 76.997
@ = 77.00 (2d.p)
@ = 77/100' ,,
tan@
1. tan@ = 3/7
@ = 23.19 (2d.p)
@ = 116/5' ,,
sin@
1. sin@ = 2/4
sin@ = 1/2
@ = 30' ,,
2006-12-25 15:41:31 · answer #1 · answered by ? 2 · 0⤊ 0⤋
1. cos@=6/10
@ = 53.13o
2. cos@=1.8/8
@ = 77.00o
1. tan@=3/7
23.20o
1. sin @=2/4
@ = 30o
2006-12-25 15:44:29 · answer #2 · answered by ? 7 · 0⤊ 0⤋