Math, asked by rahul7366, 1 month ago

find the value of √3 cot 20° cot 40° cot 80°

Answers

Answered by Gouta

2

Answer:

Step-by-step explanation:

3 cot20 cot40 cot80

=3 cot20 cot(60-20) cot(60+20)

=3 cot20 cot20+root3/1-root3cot20 cot20+root3/1+root3cot20

=3 cot20 cot^220-3/1-3cot^220

=3 cot^60

=3*1/3

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