Trigonometry — Examples (AQA GCSE Maths): Quizzes

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What does CAH in SOH CAH TOA represent?

cos⁡θ=AdjHyp\cos \theta = \frac{\text{Adj}}{\text{Hyp}}

Which trigonometric ratio uses opposite and adjacent sides?

Tangent

You know the adjacent side and hypotenuse. Which ratio should you use?

Cosine

What functions do you use to find angles from trigonometric ratios?

Inverse functions

Find p: tan⁡(35°)=p15\tan(35°) = \frac{p}{15}. What is the rearranged formula?

p=tan⁡(35°)×15p = \tan(35°) \times 15

In Example 1, the opposite side p equals what (to 3 sf)?

21.4 m

If cos⁡(x)=0.6\cos(x) = 0.6, what is x to 1 decimal place?

53.1°

Why must you split an isosceles triangle before using trigonometry?

Trig only works with right triangles

What property do similar triangles share?

Same trigonometric ratios

If sin⁡(x)=0.4\sin(x) = 0.4 and sin⁡(x)=8y\sin(x) = \frac{8}{y}, what is y?

20 cm

Explore AQA GCSE Maths Revision Notes by Topics

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Explore AQA GCSE Maths Model Answers by Topics

Pythagoras’ Theorem

Trigonometry — Sin, Cos, Tan

Trigonometry — Examples

Trigonometry — Common Values

The Sine and Cosine Rules

3D Pythagoras

3D Trigonometry

Vectors

Explore AQA GCSE Maths Flashcards by Topics

Pythagoras’ Theorem

Trigonometry — Sin, Cos, Tan

Trigonometry — Examples

Trigonometry — Common Values

The Sine and Cosine Rules

3D Pythagoras

3D Trigonometry

Vectors

Explore AQA GCSE Maths Exam Questions by Topics

Pythagoras’ Theorem

Trigonometry — Sin, Cos, Tan

Trigonometry — Examples

Trigonometry — Common Values

The Sine and Cosine Rules

3D Pythagoras

3D Trigonometry

Vectors

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