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Asked by mskjoshi | 02 Feb, 2019, 03:18: PM
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begin mathsize 18px style fraction numerator tan empty set over denominator sec empty set plus 1 end fraction equals fraction numerator begin display style tan empty set open parentheses sec empty set minus 1 close parentheses end style over denominator begin display style open parentheses sec empty set plus 1 close parentheses open parentheses sec empty set minus 1 close parentheses end style end fraction equals fraction numerator tan empty set open parentheses sec empty set minus 1 close parentheses over denominator sec squared empty set minus 1 end fraction equals fraction numerator begin display style tan empty set open parentheses sec empty set minus 1 close parentheses end style over denominator begin display style tan squared empty set end style end fraction equals fraction numerator sec empty set minus 1 over denominator tan empty set end fraction end style
Answered by Arun | 02 Feb, 2019, 09:35: PM

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CBSE 10 - Maths
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