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Australia
Year 9

6.05 Find unknown angles

Interactive practice questions

If $\sin\theta=0$sinθ=0, find $\theta$θ in degrees.

Easy
< 1min

If $\cos\theta=0$cosθ=0, find $\theta$θ in degrees.

Easy
< 1min

If $\sin\theta=1$sinθ=1, find $\theta$θ in degrees.

Easy
< 1min

If $\cos\theta=1$cosθ=1, find $\theta$θ in degrees.

Easy
< 1min
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Outcomes

AC9M9SP01

recognise the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles using properties of similarity

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