Find the value of cot 10 cot 30 cot 80??
Answers!
Hello Shivani
cot 10 cot 30 cot 80
= cot 10 cot 30 cot (90 - 10)
= cot 10 cot 30 tan 10
= cot 10 tan 10 cot 30
= cot 10 x 1/cot 10 x cot 30
= cot 30
= √3
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Answer the question...
Hello Shivani
cot 10 cot 30 cot 80
= cot 10 cot 30 cot (90 - 10)
= cot 10 cot 30 tan 10
= cot 10 tan 10 cot 30
= cot 10 x 1/cot 10 x cot 30
= cot 30
= √3
Comment