sstrike's answer to mary's Secondary 4 A Maths Singapore question.
Thank you. Could you please explain how you got the x coord of the max point in part ii
-1 ≤ sin(θ) ≤ 1 , right?
when sin(θ) = -1, -4× sin(θ)=4, is it?
so ƒ(x)= ƒ(x)ₘₐₓ
is this IP 4 homework?
when sin(θ) = -1, -4× sin(θ)=4, is it?
so ƒ(x)= ƒ(x)ₘₐₓ
is this IP 4 homework?
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