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trigonometric ratios

trigonometric ratios

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Slide 1: Slide

MathsSecondary Education

This lesson contains 6 slides, with interactive quiz and text slides.

Lesson duration is: 10 min

Items in this lesson

trigonometric ratios

Slide 1 - Slide

Special Ratios

there are three special ratios – sine, cosine and

tangent – for the angle θ in these triangles. We use the sides labelled

Hypotenuse (H), Opposite (O) and Adjacent (A)

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Slide

sin=

cos=

tan=

opposite

hypotenuse

opposite

hypotenuse

adjacent

adjacent

Slide 5 - Drag question

practice

exercise 3E

questions 1-9

Slide 6 - Slide

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