Flag Trigonometry> If A,B,C,D =2Pi then prove that tanA +tan...
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If A,B,C,D =2Pi then prove that tanA +tanB+tanC+tanD = tanAtanBtanCtanD (cotA+cotB+cot+cotB)

Ujjwal , 6 Years ago
Grade 11
anser 1 Answers
Deepak Kumar Shringi

Last Activity: 6 Years ago

please re-check the question i guess it should be
A+B+C+D= 2pie

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