trigo...

Asked by deepitapai | 9th Mar, 2009, 01:02: PM

Expert Answer:

sin A = cos A / cot A   = 1/ (secA cot A)  = 1/ (1+tan2A) . cotA  = 1/ (1+ cot2A)

Similarly others can be calculated

Answered by  | 9th Mar, 2009, 02:10: PM

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