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secA - tanA = m then find the value of tanA is .plz reply

secA - tanA = m then find the value of tanA is .plz reply

Grade:11

2 Answers

Anurag
19 Points
3 years ago
SecA - tanA=m.
TanA= secA-m
Soumendu Majumdar
159 Points
3 years ago
sec A – tan A = m
so ( 1 – sin A ) = m cos A
so ( 1 – sin^2 A) = m cos A ( 1 + sin A)
so  sec A + tan A = 1/m
Hence sec A + tan A – ( sec A – tan A ) = (1/m) – m
so 2 tan A  = (1 - m^2)/m
so tan A = (1 - m^2)/2m
 
Hope it helps!

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