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CBSE Class 10 Answered

trigo...
Asked by deepitapai | 09 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 | 09 Mar, 2009, 02:10: PM
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