Without using trigonometric tables, find the values of: 45^ 30^ -… - Vidyadip

Question

Without using trigonometric tables, find the values of:
$\sin 45^{\circ} \cos 30^{\circ}-\cos 45^{\circ} \sin 30^{\circ}$

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Answer

$\frac{\sqrt{3}-1}{2 \sqrt{2}}$

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