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ICSE Class 10 Answered

cot A + cosec A - 1 / cot A - cosec A + 1 = 1 + cos A / sin A
Asked by suryasonawane11 | 01 Apr, 2018, 09:13: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight L. straight H. straight S. equals fraction numerator cot space straight A plus cosec space straight A minus 1 over denominator cot space straight A minus cosec space straight A plus 1 end fraction equals fraction numerator cot space straight A plus cosec space straight A minus left parenthesis cosec squared space straight A minus cot squared space straight A right parenthesis over denominator cot space straight A minus cosec space straight A plus 1 end fraction equals fraction numerator cot space straight A plus cosec space straight A minus left parenthesis cosec space straight A minus cot space straight A right parenthesis left parenthesis cosec space straight A plus cot thin space straight A right parenthesis over denominator cot space straight A minus cosec space straight A plus 1 end fraction equals fraction numerator left parenthesis cot space straight A plus cosec space straight A right parenthesis left parenthesis 1 minus cosec space straight A plus cot space straight A right parenthesis over denominator cot space straight A minus cosec space straight A plus 1 end fraction equals cot space straight A plus cosec space straight A equals fraction numerator cos space straight A over denominator sin space straight A end fraction plus fraction numerator 1 over denominator sin space straight A end fraction equals fraction numerator 1 plus cos space straight A over denominator sin space straight A end fraction equals straight R. straight H. straight S. end style
Answered by Rashmi Khot | 02 Apr, 2018, 08:56: AM
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ICSE 10 - Maths
Given: cosA = 5/13  evaluate: (I)sin A - cotA/ 2tanA (ii)cotA + 1/tanA    
Asked by grandhienterprises13 | 08 Aug, 2019, 07:16: AM
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ICSE 10 - Maths
Tan²A—Tan²B=(sin²A—sin²B)  ÷cos²A×cos²B
Asked by Mmanjima7 | 25 Apr, 2019, 12:11: PM
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ICSE 10 - Maths
sec2a + cosec2a=sec2COSEC2A
Asked by raghuvatsa2710 | 02 Feb, 2019, 09:21: PM
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ICSE 10 - Maths
Prove (Sin A+sec A)^2+(cosA+cosec A)^2=(1+secA.cosecA)
Asked by Sunita | 03 Apr, 2018, 08:36: PM
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ICSE 10 - Maths
cot A + cosec A - 1 / cot A - cosec A + 1 = 1 + cos A / sin A
Asked by suryasonawane11 | 01 Apr, 2018, 09:13: PM
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ICSE 10 - Maths
   
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Asked by nandinidwivedi062002 | 11 Feb, 2018, 12:45: PM
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