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Question 1- sin 6 degree * sin 42 degree * sin 66 degree * sin 78 degree = ? Question 2 - cos 6 degree* cos 42 degree * cos 66 degree * cos 78 degree =? |
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Answer» Question 1- sin 6 degree * sin 42 degree * sin 66 degree * sin 78 degree = ? Question 2 - cos 6 degree* cos 42 degree * cos 66 degree * cos 78 degree =? |
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