A-Level Maths Edexcel (9MA0)

1.5: Trigonometry

#1.5.1

Sine, cosine and tangent

Use trigonometric ratios (SOHCAHTOA)

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Solve ambiguous case of the sine rule

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Use cosine rule

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Find area of triangle using trigonometry

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Use radian measure

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Calculate length of an arc (radians)

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Calculate area of a sector (radians)

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Calculate area of a segment (radians)

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#1.5.2

Small angle approximations

Use small angle approximations

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#1.5.3

Trigonometric functions

Use trigonometric ratios in all four quadrants

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Recall exact trigonometric values

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Use graphs of sine, cosine and tangent

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Use trigonometric ratios in all four quadrants in radians

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Recall exact trigonometric values in radians

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#1.5.4

Reciprocal and inverse trigonometric functions

Use reciprocal trigonometric functions

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Use graphs of reciprocal trigonometric functions

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Use inverse trigonometric functions and graphs

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#1.5.5

Pythagorean identities

Use trigonometric identities

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Use reciprocal Pythagoran identities

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#1.5.6

Addition and double angle formulae

Use addition formulae

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Use double angle formulae

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Use R addition formulae

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#1.5.7

Solve trigonometric equations

Solve simple trigonometric equations

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Solve trigonometric equations in multiples of the angle

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Solve quadratic equations where the function is a trigonometric ratio

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Solve trigonometric equations using Pythagorean identities

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Solve trigonometric equations in radians

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Solve trigonometric equations using compound and double-angle formulae

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#1.5.8

Trigonometric proof

Use identities in trigonometric proof

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#1.5.9

Trigonometric modelling

Model with trigonometric functions

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1.4

Sequences and series

1.6

Exponentials and logarithms

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