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CBSE Class 10 Answered

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Asked by mebakyabum | 09 May, 2019, 09:48: AM
answered-by-expert Expert Answer
begin mathsize 16px style open parentheses sinθ plus 1 plus cosθ close parentheses open parentheses sinθ minus 1 plus cosθ close parentheses secθcosecθ
equals open parentheses sinθ plus cosθ plus 1 close parentheses open parentheses sinθ plus cosθ minus 1 close parentheses secθcosecθ
equals open square brackets open parentheses sinθ plus cosθ close parentheses squared minus 1 close square brackets secθcosecθ
equals open parentheses sin squared straight theta plus cos squared straight theta plus 2 sinθcosθ minus 1 close parentheses secθcosecθ
equals open parentheses 1 plus 2 sinθcosθ minus 1 close parentheses secθcosecθ
equals 2 sinθcosθ cross times 1 over sinθcosθ
equals 2
end style
Answered by Sneha shidid | 09 May, 2019, 10:00: AM
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