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Could somebody explain why?
04-08-2018, 09:24 PM
Post: #1
Could somebody explain why?
I am in CAS and have matrix of angles (CAS is in deg, mode) and m:=[[30,60],[60,30]]. When I do sin(m3(1)) I get [1/2,sqrt(3)/2], same if I do sin([[30,60]]) and these are correct ans.,the same when I access elements individually. But, when I do sin(m) I get [[.25,.75],[.75,.25]], the ans. are squares of the correct values. The same happens in Home when I use CAS.sin(as above). If sin operates on vectors ex.[30,60] and on 1x2 matrix [[30,60]] shouldn't it also correctly operate on nxm matrices and give the right ans.

PS. cos applied as above gives even stranger answers.

Cheers
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Messages In This Thread
Could somebody explain why? - John P - 04-08-2018 09:24 PM
RE: Could somebody explain why? - toshk - 04-09-2018, 05:00 AM
RE: Could somebody explain why? - Arno K - 04-09-2018, 09:45 AM
RE: Could somebody explain why? - John P - 04-09-2018, 04:53 PM
RE: Could somebody explain why? - toshk - 04-09-2018, 05:08 PM
RE: Could somebody explain why? - John P - 04-09-2018, 06:18 PM
RE: Could somebody explain why? - parisse - 04-10-2018, 09:18 AM



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