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ICSE Class 10 Answered

Eliminate A Cot A+cosA=m & cotA—cosA=n
Asked by Sunita | 05 Apr, 2018, 04:02: PM
answered-by-expert Expert Answer
begin mathsize 16px style Add space both
Cot space straight A space equals space straight m plus straight n
fraction numerator sin begin display style space end style begin display style straight A end style over denominator cos space straight A end fraction equals straight m plus straight n
subtract
Cos space straight A space equals space straight m minus straight n space...... put space in space above
sin space straight A space equals straight m squared minus straight n squared space.
use space sin squared straight A plus cos squared straight A equals 1



end style
Answered by Arun | 05 Apr, 2018, 05:09: PM
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