If \[{{a}^{2}},{{b}^{2}},{{c}^{2}}\]are in A. P. then which of the following are also in A.P. [ISM Dhandbad 1989]

If \[{{a}^{2}},{{b}^{2}},{{c}^{2}}\]are in A. P. then which of the fol

1.	If \[{{a}^{2}},{{b}^{2}},{{c}^{2}}\]are in A. P. then which of the following are also in A.P. [ISM Dhandbad 1989]
A.	\[\sin A,\sin B,\sin C\]
B.	\[\tan A,\tan B,\tan C\]
C.	\[\cot A,\cot B,\cot C\]
D.	None of these
Answer» D. None of these

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If \[{{a}^{2}},{{b}^{2}},{{c}^{2}}\]are in A. P. then which of the following are also in A.P. [ISM Dhandbad 1989]

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