AD=3 centimeters, so AB= ___ centimeters.

Question

anonymous · Answer

|dw:1373481393505:dw|     @souvik last question can you help me

souvik · Answer

ABcos60=AD
find AD

anonymous · Answer

but we already have ad its 3cm

souvik · Answer

sorry...find AB

anonymous · Answer

how do i do that im so confused :/

souvik · Answer

AB=AD/cos60

anonymous · Answer

i got 0.989 is that right

souvik · Answer

cos60=0.5
AB=6 cm

anonymous · Answer

how did you do that i put it correct in the calculator and i gave me 1 then i did it again and i got 0.989

souvik · Answer

cos60=?

anonymous · Answer

yahh i would put that then i would put 60 put it didnt giveme anything

souvik · Answer

first put 60 then cos...hope this time works

anonymous · Answer

okay i did that then what do i do

souvik · Answer

so cos60=0.5
now AB=AD/0.5=3/0.5=6 cm

anonymous · Answer

okay yes now i got it i thought you where suppost to put cos first then the 60 thank you

souvik · Answer

here in India we put cos first and then 60....:)

anonymous · Answer

ohhh okay isnt it already late for you over there?

souvik · Answer

12:30 AM here..

anonymous · Answer

really wow over here in italy its 9:00 pm well i guess ill let you go soyou can sleep 
just one moer question how do ou say bye in india?

souvik · Answer

there are many language in India...in Bengali..we use bye-English word..
but informally "ta-ta" , formally "biday"  ....
good night="suvo rattri"

souvik · Answer

in Hindi...bye='albida'