AP and TS EAMCET Engineering Model Paper 12

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Question : 19 of 160

Marks: +1, -0

In ΔABC‌sin‌A‌sin‌B‌sin‌C=

1

3

then the value cot‌A‌cot‌B +cot‌B‌cot‌C +cot‌C‌cot‌A=

1
2
1
2
-1

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