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If cos2 θ = (sec2 θ - tan2 θ) / (tan2 θ sec2 θ), where 0° < θ < 90°, then the value of tan2 θ + sec2θ.
What is the value of [(sec2θ + 1)√(sec2θ - 1)] × 1/2 × (cotθ - tanθ)?
1 - tan2 π4+x1 + tan2 π4+x এর মান কত?
1-tan2 60°1+tan2 60°+sin2 30° এর মান কত?
1 - tan2 450 - A 1 + tan2 450 - A   = কত ? 
1-tan2 450-θ1+tan2 450-θ = কত ?
1-tan2 30°1+tan2 30° =কত?
1-tan2 30°1 + tan2 30° = কত? 
  θ = cos-1 45  হলে   (1-tan2 θ) (1+ tan2 θ)     
What is the simplified value of [(tan2 θ – sin2 θ)/tan2 θ sin2 θ]?