Symmetry Properties - Questions - Class Mathematics School Portal

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Question 1

21011

Answer

$\frac{{\sqrt 2 }}{2}$

Worked Solution

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

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