Tan (x+a)tan (x+b)+tan(x+b)tan(x+c)+tan (x+c)tan(x+a)=1
rakib ansari , 12 Years ago
Grade 11
Trigonometry> Tan (x+a)tan (x+b)+tan(x+b)tan(x+c)+tan (...
1 Answers
Nirmal Singh.
Thanks & Regards,
Nirmal Singh
Askiitians faculty
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