A Level Maths Formulas + Identities not given - Statistics

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  • The average score is 11 of 35
Answer Stats
Hint Answer % Correct
Log Laws 4 loga(a)= 1
100%
sin*2x+cos*2x= 1
100%
Area of a triangle (A=) 1/2absinC
100%
Sector area (A=) 1/2r*2 theta
100%
Indices power law 2 (a*-m)= 1/a*m
100%
Indices power law 1 (m root of a)= (a*1/m)
100%
Sine Rule a/sinA=b/sinB=c/sinC
100%
Cosine Rule (a*2=) b*2+c*2-2bc cosA
100%
Cosine Rule (cosA=) b*2+c*2-a*2/2bc
100%
Quadratic Equation(x=) -b+/-(b*2-4ac)*1/2/2a
100%
Log Laws 2 (loga(x) - loga(y)=) loga(x/y)
100%
Log Laws 5 loga(1)= 0
0%
radian= 180/pi
0%
sin2x= 2sinxcosx
0%
tan2x= 2tanx/1-tan*2x
0%
Indices multiplication law (a*mXa*n)= a*m+n
0%
Indices division law (a*m/a*n)= a*m-n
0%
Indices brackets law 1 ((a*m)*n)= a*mn
0%
Arithmetic series (Un=) a+(n-1)d
0%
Indices brackets law 2 ((ab)*n)= a*nb*n
0%
Geometric series (Un=) ar*n-1
0%
cos2x= cos*2x-sin*2x | 2cos*x-1 | 1-2sin*2x
0%
1+cot*2x= cosec*2x
0%
1/sinx= cosecx
0%
1/tanx or cosx/sinx= cotx
0%
Log Laws 6 loga(1/x)= -loga(x)
0%
Log Laws 1 (loga(x) + loga(y)=) loga(xy)
0%
Perpendicular line m1Xm2=-1
0%
arc length(l)= rXtheta
0%
tan*2x+1= sec*2x
0%
1/cosx secx
0%
sinx/cosx= tanx
0%
Equation of circle (centre (a,b) and radius (r) (x-a)*2+(y-b)*2=r*2
0%
Gradient (m=) y2-y1/x2-x1
0%
Log Laws 3 loga(x*y)= yloga(x)
0%
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