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I f space s e c space A equals square root of 2 space f i n d space t h e space v a l u e space o f colon space fraction numerator 3 cos squared A plus 5 tan squared A over denominator 4 tan squared A minus sin squared A end fraction

Asked by Barnalidipaksagnik 11th February 2018, 9:44 AM
Answered by Expert
Answer:
begin mathsize 16px style secA equals square root of 2 space rightwards double arrow straight A equals 45 degree
Hence comma space sin 45 degree equals fraction numerator 1 over denominator square root of 2 end fraction space and space cos 45 degree equals fraction numerator 1 over denominator square root of 2 end fraction
also space tan 45 degree equals 1
Put space it space in space fraction numerator 3 cos squared straight A plus 5 tan squared straight A over denominator 4 tan squared straight A minus sin squared straight A end fraction space you space will space get space the space answer. end style
Answered by Expert 12th February 2018, 9:18 AM
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