Question
 Asian Wrestling Championships 2023 in Astana,
Kazakhstan, which country have won maximum medals.Solution
In 2023 Asian wrestling championship host country KAZAKHSTAN WON 20 MEDALS and then JAPAN in second position, India won 14 medals in it.Â
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Simplify the following trigonometric expression:
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tan 4˚ × tan 43˚ × tan 47˚ × tan 86˚ = ?