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I think you could have gotten a tan since you have another cos then you could have solved it normally

The only other way I think is possible is changing cos into sin

one of the solutions I saw did it that way. How did you do it?

No the from question 26 and before, those were like the last year questions. We never even learnt the identity if cos(ax+b) = cos(c) ax+b = c. I don't even think that's in the syllabus. Unless we were suppose to change cos into sin.

How much time did you have to spare when you did the test?

here

Solutions for the 2024 paper :) This one is the most correct one

better scanned version here

I think we were suppose to convert cos in to sin, then we solve for x

Why they making us write essays in math lmao

yes that answer was wrong

wasnt really 3d trig in that we had to manipulate and sove simultaneous equations

Quwstion 22 wrong ur supposed to times the integral by two to get the other half

104+90 i think

did you have to put T at the end? or can u just put the degrees by it self

probably the box plot multiple choice questions and the essay wroting

If you got any questions in section one of section 2 wrong, ur brain is fried.

I didnt think about making cos(x–12) sin Then Incouldve solved with tan

In hindsight, we were suppose to make cos sin. Then solve for tan.

Section 2 was the hardest No. This test was harder than any past hsc paper.