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If A+B+C=π then prove that cotA + cotB + cotC -cosecA.cosecB.cosecC=cotA.cotB.cotC

Himanshi , 6 Years ago
Grade 11
anser 1 Answers
Saurabh Koranglekar

Last Activity: 6 Years ago

https://www.askiitians.com/forums/Trigonometry/if-a-b-c-180-prove-that-cota-cotb-cotc-cota-cotb-c_215413.htm

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