Tryingtodowell
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how do I approach this prob basic question that I might be overcomplicating
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Maths Ext 1 question (1 Viewer)
- Thread starter Tryingtodowell
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how do I approach this prob basic question that I might be overcomplicating
WeiWeiMan
Well-Known Member
you should approach it the same way you kinda approach auxilliary angle questions
f(x) = 5sinx+12cosx = sqrt(5^2+12^2)sin(x-a) = 13sin(x-a)
from there, it's pre clear that |f(x)| ≤ 13
Average Boreduser
Rising Renewal
r-method/auxilary method bruv.