Advanced Mathematics (Year 11 Syllabus)

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18 Terms

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<p>Trapezoidal Rule</p>

Trapezoidal Rule

Concepts Of Understanding:

b = x value of second end point.

a = x value of first end point.

n = number of sub intervals (remember that five points means four sub intervals).

f(…) = y values of points, thus why in the tables you get x and f(x) as it is like a graph. So if you have the shape, it is values of vertical lengths.

h = width of the individual sub interval. Formula on sheet already accounts for h/2 as h = 0.5 hrs b - a / n

<p><u>Concepts Of Understanding:</u></p><p>b = x value of second end point.</p><p>a = x value of first end point.</p><p>n = number of sub intervals (remember that five points means four sub intervals).</p><p>f(…) = y values of points, thus why in the tables you get x and f(x) as it is like a graph. So if you have the shape, it is values of vertical lengths.</p><p>h = width of the individual sub interval. Formula on sheet already accounts for h/2 as h = 0.5 hrs b - a / n</p>
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Completing The Square

Concepts Of Understanding:

Purpose: Convert quadratic to vertex form

Remember:

  • Add (b/2)2 to both sides. This will allow you to complete the square with one (b/2)2 and determine vertical shift with the other.

  • Ensure coefficient of x2 is one.

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Trig Identities

cotθ = cosθ/sinθ

sin2θ + cos2θ = 1

tan2θ + 1 = sec2θ

1 + cot2θ = cosec2θ

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Log Laws

Product Law (1)

logbMN = logbM + lognN

log1012 = log106 + log102

Quotient Law (2)

logbM/N = logbM - logbN

log108/2 = log108 - log102

Power Law (3)

logbMn = n x logbM

log243 = 3log24

Log Of 1 (4)

logb1 = 0

log71 = 0

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Categorical and Numerical Data

Categorical: Data that cannot be measured.

Numerical: Data that can be measured or counted. Discrete (exact number value and can be counted) and Continuous (usually rounded off).

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Mathematical Mappings

Functions: One to One and Many to One (pass vertical line test).

Not Functions: One to Many and Many To Many (do not pass vertical line test).

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Probability

P(A and B): P(A) x P(B)

P(A or B): P(A) + P(B) - P(A and B)

P(A given B) : P(A and B) / P(B)

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Probability Tree Diagram

Probability Of An Outcome (Single Branch):

P(Outcome) = Multiply along the branch

Total Probability Of An Event (Multiple Branches):

P(Outcome) = Add probabilities of single branches

Conditional Probability:

You know the formula. Fill it in using branches.

Complement Rule

P(Not A) = 1 - P(A)

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Probability Distribution

The Expected Value, E(X), of a probability distribution calculated the centre or mean μ. It is the sum of each possible value multiplied by its probability.

E(X) = μ = Σ x p(x)

Variance

Σ[x(squared)p(x)] - [E(X)](squared)

Standard Deviation

σ = square root of variance

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Arc Length, Sectors and Segments

Arc Length Formula: l = θ/360 × 2πr

Area Of Sector: θ/360 x πrsquared

Perimeter Of Sector: 2r + Arc Length

Area Of Triangle: ½ x r squared x Sinθ

Area Of Segment:

½ x r squared x (θ - Sinθ)

Remember…

θ must be in radians.

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Converting Between Degrees and Radians

Radians = π/180 x Degrees

Degrees = 180/π x Radians

Just remember that π radians = 180°

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Bearings

True Bearings

  • Always measured clockwise from North.

  • Always given as a 3 digit number. For example, 60 degrees is 060 degrees.

Compass Bearings

  • Use compass directions. For example N30degreesE

Remember it is not all SOH CAH TOA.

Use Sin and Cosine Rule. Usually with the occasional right angle triangle.

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Congruence

SSS = Side Side Side

SAS = Side Angle Side

AAS = Angle Angle Side

RHS = Right Angle Hypotenuse Side

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Similar Triangles

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Sketching Derivatives

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Trigonometric Equations

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Lists and Venn Diagrams

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Odd, Even and Composite Functions