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i need help for a couple of questions. 1. tan 2x = 1 (-180 degrees (lessthanorequalto) x (lessthanorequalto) 180 degrees) 2. 2sin^2 3x = 1 (-180 degrees (lessthanorequalto) x (lessthanorequalto) 180 degrees) 3. tan x + 1 = 0 (-180 degrees (lessthanorequalto) x (lessthanorequalto) 180 degrees)...

Ive got an exam tomorrow, but i dunt know how you do this question :( :mad1: prove that the line y = x + 2 is a tangent to the parabola y= x^2 - 5x + 11 Thanks for your help!

ive been working on this for over an hr, and i still coodn't get it..:mad1: A = x ( 5 + 320/(x-4) ) could you please differentiate this? thank you

hi i would just like to ask what kind of occupation you do after graduating this course... i am thinking of aiming for this course, but dont know what you can get out of it. i would appreciate it if someone could answer this question for me.. thanks.