Cos A =
- 0.6
- 0.8
- 1.2
andyrhcp104 asking:
How can you work this out without a calculator?
Community Comments (3)
D
dimky Posts: 514 12.06.2015 / 20:24
Hi.
Cos A = Adjacent / Hypotenuse.
Cos A = 4 / 5
4 / 5 = 0.8
I think 4 / 8 is not very difficult to calculate without calculator. :)
Cos A = Adjacent / Hypotenuse.
Cos A = 4 / 5
4 / 5 = 0.8
I think 4 / 8 is not very difficult to calculate without calculator. :)
A
andyrhcp104 Posts: 4 12.06.2015 / 21:07
Of course, thanks I was thinking about it too hard.
A
aerorodder1 Posts: 20 19.12.2015 / 07:09
Sohcahtoa...(Soh) (cah) (toa)
CosA=adj/hyp, (c=4/5),cah= .8
SinA=opp/hyp, (S=3/5),Soh= .6
TanA=opp/adj, (t=3/4),toa= .75
CosA=adj/hyp, (c=4/5),cah= .8
SinA=opp/hyp, (S=3/5),Soh= .6
TanA=opp/adj, (t=3/4),toa= .75
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