Grade 11Trigonometry
If A+B+C=π then prove that cotA + cotB + cotC -cosecA.cosecB.cosecC=cotA.cotB.cotC
If A+B+C=π then prove that cotA + cotB + cotC -cosecA.cosecB.cosecC=cotA.cotB.cotC
1 Answer
Saurabh Koranglekar
https://www.askiitians.com/forums/Trigonometry/if-a-b-c-180-prove-that-cota-cotb-cotc-cota-cotb-c_215413.htm
please refer
and if you find problem revert on same thread
please refer
and if you find problem revert on same thread
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