Math, asked by sayyadul5571, 1 year ago

evaluate cot5cot10cot15cot60cot75cot80cot85

Answers

Answered by pammidinesh999

0

Answer:

root 3

Step-by-step explanation:

cot 5 * cot 85 = 1

cot 10* cot 80=1

cot 15* cot 75=1 since cot ( 90 - x ) = tan x

so cot 60 = root 3

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