Trigonometry

Hong Kong

Stage 1 - Stage 3

Write down the ratio represented by $\cos\theta$`c``o``s``θ`.

Easy

< 1min

Write down the ratio represented by $\tan\theta$`t``a``n``θ`.

Easy

< 1min

Write down the ratio represented by $\sin\theta$`s``i``n``θ`.

Easy

< 1min

Consider the following figure.

Easy

3min

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