find the value of Cos13°Cos14°Cos15°.....Cos77°=?
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sorry i dont have an scientific calculator
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answer should be 1
cos13.cos77.cos14.cos76.cos15.75............cod44.cos46.cos45
= 1 × cos 45
= 1 ×1
= 1
hope this will help u if yes then mark it as brainlist answer
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