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If secA/(secA ­- 1) + secA/(secA + 1) = x, then x is
secA + tanA =52 হলে secA - tanA =?
secA + TanA =5/2 হলে, ‍SecA - TanA এর মান কত?
secA+tanA=52 হলে secA-tanA = ?
secA + tanA = 5/2 হলে secA-tanA = ?
secA+tanA=52 হলে secA-tanA = ?
If x = m secA + n tanA and y = m tanA + n secA, then what is x2 - y2 equal to ?
If tanA = x – 1/4x, then what will be the value of secA – tanA? 
What is the simplified value of (secA + cosA) (secA – cosA)?
If 1/(seca + 1) + 1/(seca – 1)  = cosec2a, and 0° < a < 90°, then, what is the value of (3tan2a - 4sin2a)?