C2 Formula/Proof Revision 2.5 / 5 based on 2 ratings ? MathematicsLogarithms and exponentialsASEdexcel Created by: GeorginaCreated on: 07-04-14 15:37 logaM + logaN = logaMN 1 of 20 logaM-logaN= loga(M/N) 2 of 20 logaM(2)= 2logaM 3 of 20 LogaA= 1 4 of 20 loga1= 0 5 of 20 loga(1/m)= -loga(m) 6 of 20 what is the sine rule? a/sin() = b/sin() = c/sin() 7 of 20 what is the cosine rule? a(2) = b(2)+c(2) = 2bc(cosA) 8 of 20 logaX= logbX/logbA 9 of 20 Equation to find value of geometric series U(n)= ar(n-1) 10 of 20 Sum of geometric series Sn=a(1-r(n))/1-r 11 of 20 sum of infinity in geometric series =a/1-r 12 of 20 expand binomial series (a+bx)*2 2C0(a)*2(bx)*0 .... + 2C1(a)*1(bx) .....+2C2(a)*0(bx)*2 13 of 20 area of a triangle 1/2 absin(c) 14 of 20 Equation of a circle (x-a)*2+(y-b)*2=r*2 15 of 20 principal value formula for sinx x=(180-PV) +360n ......... x= PV+360n 16 of 20 principal value formula for cosx x=+/-PV+360n 17 of 20 Principal value formula for tan x x=PV+180n 18 of 20 What is the factor theorem? (x-3) therefore F(3) = .... 19 of 20 what is remainder theorem? long division to find remainder 20 of 20
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