Asked by rajan

prove that :cosA-sinA+1/cosA+sinA-1=cosecA+cotA

12 years ago

Answered by Steve

This is very cleverly solved at

http://answers.yahoo.com/question/index?qid=20100617064137AAccXtF

as a simple web search revealed.

12 years ago

Answered by Sandeep

1+cos/sin

8 years ago

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