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Let A, B, C be angles of a triangle ABC ...

Let A, B, C be angles of a triangle ABC and let `D=(5pi+A)/(32), E=(5pi+B)/(32), F=(5pi+C)/(32)`, then :
(where `D, E, F ne (n pi)/(2), n in I, I` denote set of integers)

A

`cotD cotE+cotEcotF+cotDcotF=1`

B

`cotD+cotE+cotF=cotDcotEcotF`

C

`tanD tanE+tanE tanF+tanF tanD=1`

D

`tanD+tanE+tanF=tanD tanE tanF`

Text Solution

Verified by Experts

The correct Answer is:
B, C
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