204k views
23 votes
Can some one help me with this trigonometry problem?

CotA + cot(60+A)-cot(60-A)=3cot3A
how can i prove this ?

User Artem A
by
7.1k points

1 Answer

4 votes

Explanation:

Hope it will help you ❤❤

Can some one help me with this trigonometry problem? CotA + cot(60+A)-cot(60-A)=3cot-example-1
Can some one help me with this trigonometry problem? CotA + cot(60+A)-cot(60-A)=3cot-example-2
User Gigs
by
6.4k points