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CBSE Class 10 Answered

Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.
Asked by Adithya Rao | 24 May, 2014, 03:49: PM
answered-by-expert Expert Answer
P l e a s e space c h e c k space y o u r space q u e s t i o n. Q u e s t i o n space s h o u l d space b e : P r o v e space t h a t space open parentheses 1 plus c o t A minus cos e c A close parentheses open parentheses 1 plus tan A plus s e c A close parentheses equals 2 S o l u t i o n : L e t space u s space c o n s i d e r space t h e space l e f t space h a n d space s i d e : space open parentheses 1 plus c o t A minus cos e c A close parentheses open parentheses 1 plus tan A plus s e c A close parentheses equals space open parentheses 1 plus fraction numerator cos A over denominator s i n A end fraction minus fraction numerator 1 over denominator sin A end fraction close parentheses open parentheses 1 plus fraction numerator sin A over denominator cos A end fraction plus fraction numerator 1 over denominator cos A end fraction close parentheses equals space open parentheses fraction numerator sin A plus cos A minus 1 over denominator s i n A end fraction close parentheses space open parentheses fraction numerator sin A plus cos A plus 1 over denominator s i n A end fraction close parentheses equals space fraction numerator open parentheses sin A plus cos A minus 1 close parentheses open parentheses sin A plus cos A plus 1 close parentheses space space over denominator s i n A cos A end fraction equals fraction numerator open parentheses sin A plus cos A close parentheses squared minus 1 space space over denominator s i n A cos A end fraction equals fraction numerator sin squared A plus cos squared A plus 2 sin A cos A minus 1 over denominator sin A cos A end fraction equals fraction numerator 1 plus 2 sin A cos A minus 1 over denominator sin A cos A end fraction equals fraction numerator 2 sin A cos A over denominator sin A cos A end fraction equals 2
Answered by Vimala Ramamurthy | 26 May, 2014, 09:14: AM

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CBSE 10 - Maths
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