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What is the value of Sec2 75° – Cot2 15° + Cosec2 65° – Cot2 65°?
চিত্রানুসারে-i. AC = 2ii. tan θ=1iii. cosec2 θ - cot2 θ = 1 নিচের কোনটি সঠিক?
If sin­­2 θ = (tan2 θ – sin2 θ) where 0° < θ < 90°, then find the value of cosec2 θ + sec2 θ + cot2 θ.
What is the value of cosec2 35° - 2 sec2 55°  + 1 + sin 45° + cot2 35° 
What is the value of [tan2 (90° – θ) – sin2 (90° – θ)].[cosec2 (90° – θ).cot2 (90° – θ)], if θ = 45°?
If cosec2 θ + cot2 θ = 7, then what is the value (in degrees) of θ if θ belongs to first quadrant?
What is the least value of tan2 θ + cot2 θ + sin2 θ + cos2 θ + sec2 θ + cosec2 θ?
What is the simplified value of (cosec4 A – cot2 A) – (cot4 A + cosec2 A)?
Evaluate (cosec2 θ – cot2 θ)2 . (cosec θ + cot θ)2.
cosθ + secθ = 2 হলে cosπ θ+ secπ θএর মান কোনটি?