# 3.3 Circular functions and trigonometry

• #### Maths IBAA – 3.41 Radian, measure of angles

Radian, measure of angles – Maths IBAA – SL Power Point presentation, 10 slides, Explaining what radians are and how to use radians to measure angles, […]

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• #### Maths IBAA – 3.42 Length of an arc

Length of an arc – Maths IBAA – SL Power Point presentation, 10 slides, Explaining with examples how to calculate the length of arc, given the […]

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• #### Maths IBAA – 3.43 Area of a sector

Area of a sector – Maths IBAA – SL Power Point presentation, 11 slides, Explaining with examples how to calculate the area of a sector, given […]

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• #### Maths IBAA – 3.53 Exact values of trigonometric ratios of special angles

Exact values of trigonometric ratios of special angles – Maths IBAA – SL Power Point presentation, 9 slides, Explaining how to calculate the sine, cosine and […]

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• #### Maths IBAA – 3.61 Trigonometric identities

Trigonometric identities – Maths IBAA – SL Power Point presentation, 12 slides, Explaining the following identities: the Pythagorean identity, the double angle identity for cosine, and […]

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• #### Maths IBAA – 3.71a Graphs of the functions Sine and Cosine

Graphs of the circular functions: Sine and Cosine – Maths IBAA – SL Power Point presentation, 19 slides, Explaining how to draw the sine graph and […]

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• #### Maths IBAA – 3.71b Graphs of the circular functions: Tangent

Graphs of the circular functions: Tangent – Maths IBAA – SL Power Point presentation, 17 slides, Explaining how to draw the tangent graph, and how to […]

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• #### Maths IBAA – 3.72 Function of the form f(x)= a sin(b(x+c))+d

Composite function of the form f(x) = a sin(b(x+c)) +d – Maths IBAA – SL Power Point presentation, 11 slides, Explaining how to draw a sine […]

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• #### Maths IBAA – 3.73 Transformations of circular functions

Transformations of circular functions – Maths IBAA – SL Power Point presentation, 22 slides, Explaining what happened to a circular function when undergoes a vertical translation, […]

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• #### Maths IBAA – 3.74 Real-life contexts

Real-life contexts – Maths IBAA – SL Power Point presentation, 14 slides, Explaining how to find the function to model a set of data from a […]

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• #### Maths IBAA – 3.81 Solving trigonometric equations

Solving trigonometric equations – Maths IBAA – SL Power Point presentation, 7 slides, Explaining how to use the unit circle to find the solutions of a […]

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