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CBSE Class 10 Answered

Q19
Asked by sucharitasahoo1 | 26 Nov, 2017, 10:28: AM
answered-by-expert Expert Answer
begin mathsize 16px style cosec space straight theta plus cot space straight theta equals straight m fraction numerator space 1 over denominator sin space straight theta end fraction space space plus space fraction numerator cos space straight theta over denominator sin space straight theta end fraction equals space straight m space 1 plus cos space straight theta space equals space straight m space sin space straight theta space Squaring space both space the space sides space left parenthesis 1 plus cos space straight theta right parenthesis squared space equals space straight m squared space left parenthesis sin space straight theta right parenthesis squared space left parenthesis 1 plus cos space straight theta right parenthesis squared space equals space straight m squared space left parenthesis 1 minus left parenthesis cos squared space straight theta right parenthesis right parenthesis space left parenthesis 1 plus cos space straight theta right parenthesis squared space equals space straight m squared space left parenthesis 1 minus cosθ right parenthesis left parenthesis 1 plus cos space straight theta right parenthesis space left parenthesis 1 plus cos space straight theta right parenthesis space equals space straight m squared space left parenthesis 1 minus cosθ right parenthesis cos space straight theta equals fraction numerator straight m squared minus 1 over denominator straight m squared plus 1 end fraction end style
Answered by Arun | 26 Nov, 2017, 04:11: PM

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