16. Trigonometry
iGCSE (2021 Edition)
16.04 Exact ratios and the unit circle (Extended)
Interactive practice questions
Use the exact value triangles in the diagram below to answer the following:
a
What is the exact value of $\sin30^\circ$sin30°?
b
What is the exact value of $\sin60^\circ$sin60°?
c
What is the exact value of $\sin45^\circ$sin45°?
Easy
1min
Use the exact value triangles in the diagram below to answer the following:
Easy
1min
Use the exact value triangles in the diagram below to answer the following:
Easy
1min
$\theta$θ is an angle in a right-angled triangle where $\sin\theta=\frac{\sqrt{3}}{2}$sinθ=√32.
Solve for the exact value of $\theta$θ.
Easy
< 1min
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