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Hi i am just wondering if year 11 physics is tested in the year 12 hsc physics. Also is any of the knowledge from year 11 physics actually used in year 12??? Is year 11 physics important for year 12 physics, like say if u you went bad in year 11 physics would that affect year 12 physics?

hi i had trouble with these questions 1. A (0,0), B(2,1) and C(1,5) are the vertices of a triangle ABC. The triangle is rotated anti-clockwise abiut the point A, through a right angle in the X-Y plane. Find the equation if the image lines of: a. the line AC b. the line AB c. the line BC 2...

[sin(A + 1)(x) + 2sinA(x) + sin(A - 1)(x)] / [cos(n-1)(x) - cos(A + 1)(x) - cos(A + 1)(x) = cot(x/2) I have no idea how to do it.

I had trouble with these questions, some are probably easy but i can't do it. Any help will be appreciated :) These are questions are from 3unit fitzpatrick, exercises 21(c) 47. sin2x + sin4x + sin6x = 4cosxcos2xsin3x 49. sin^2(5x) - sin^(3x) = sin8xsin2x 51. cos35 + cos45 + cos75+ cos85 =...