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ICSE Class 10 Answered

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Asked by geeta.tnsingh | 05 Nov, 2023, 06:25: PM
answered-by-expert Expert Answer
If we use the formula ,  " begin mathsize 14px style open parentheses a plus b close parentheses squared space plus space open parentheses a minus b close parentheses squared space equals space 2 space left parenthesis space a squared plus b squared space right parenthesis end style "
the we get
 
begin mathsize 14px style open parentheses 1 plus tan A close parentheses squared plus left parenthesis 1 minus tan A right parenthesis squared space equals space 2 space left parenthesis 1 plus tan squared A space right parenthesis space equals space 2 space s e c squared A end style
Answered by Thiyagarajan K | 05 Nov, 2023, 07:23: PM
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