Can some one help me with this trigonometry problem?
CotA + cot(60+A)-cot(60-A)=3cot3A
how ca...
Mathematics, 10.01.2021 15:10 RyannLambertt7141
Can some one help me with this trigonometry problem?
CotA + cot(60+A)-cot(60-A)=3cot3A
how can i prove this ?
Answers: 2
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