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Functions Question

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Dania:
A function is defined by  g:x = 3-2sinx, for 0° < x < A°, where A is a constant.

Q. (i) State the largest value of A of which g has an inverse.
    (ii) When A has this value, obtain an expression, in terms of x, for g-1(x)

Freaked12:
https://studentforums.biz/math-146/cie-math-p1-10369/msg350650/#msg350650

Its already done

Dania:
Grr. Still don't get it. By the way, this is a different paper. Same concept, I know. But it's just stated in that link you gave me, I want someone to explain to me how to get it.

Freaked12:
Which subject do you want help in

Its not Pure mathematics?

Dania:
It's just this question I posted. Yeah, it is pure maths.

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