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Question
Difficulty Level:

Medium

MCQ

Consider the following expression:

sin(π8)cos(π8)+cos(π8)sin(π8)\sin (\frac{\pi}{8}) \cos (\frac{\pi}{8})+\cos (\frac{\pi}{8}) \sin (\frac{\pi}{8})

Find the exact value of the expression without a calculator.

Select all that apply :

12\frac{1}{\sqrt{2}}

13\frac{1}{3}

56 \frac{5}{6}

89 \frac{8}{9}

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