CBSE Class 10 Answered
prove that:
1/cosecA-cotA+1/cosecB-cotB+ 1/cosecC-cotC=cosecA+cosecB+cosecC+cotA+cotB+cotC
Asked by | 11 Sep, 2012, 09:23: PM
![](https://images.topperlearning.com/topper/forum_images/Q2_11th_Sep_2012.jpg)
Answered by | 12 Sep, 2012, 10:16: AM
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