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Year 11 Maths - Specialist Further Trigonometry

Symmetry Properties

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Questions
Question 1
21011

Evaluate \(\sin \frac{{3\pi }}{2}\)

\(\frac{{\sqrt 2 }}{2}\)

$$
\sin \frac{3 \pi}{4}=\sin \left(\pi-\frac{\pi}{4}\right)=\sin \frac{\pi}{4}=\frac{\sqrt{2}}{2}
$$

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