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cos 2θ এর মান-(i)1-2sin2θ(ii)  (1-tan2θ)(sec2θ) (iii)  (1+tan2θ)(1-tan2θ)নিচের কোনটি সঠিক?
    2cos2θ +22  sinθ=3 হলে,     2cos2θ +22  sinθ=3 এর মান -
If 2cos2θ = 3 (1 – sinθ), 0° < θ < 90°, then what is the value of (tan2θ + cosec3θ – sec2θ) ? 
What is simplified value of [3/(cosec2θ) + 5/(1 + tan2θ) - 2cos2θ ?
If sin2θ = 3/4 then what will be the value of tan2θ - cot2θ  .
What is the minimum value of 9 tan2θ + 4 cot2θ?
If sec2θ + tan2θ = 5/3, then what is the value of tan2θ?
θ সূক্ষ্মকোণ হলে-i. sin2  θ+ cos2 θ = 1ii. sec2 θ - tan2θ=1iii. cosec2 θ - cot2θ=1নিচের কোনটি সঠিক?
The question below consists of a set of labelled sentences. From the four options given, select the most probable sequence to form a coherent paragraph. A. Acute peritonitis is the acute inflammation of the peritoneum most commonly by bacterial agents making bacterial peritonitis and acute peritonitis synonymous. B. Its fate or sequelae could end up in resolution, adhesions with the gut, inflammatory bands, residual abscess or intestinal obstruction due to adhesions. C. Treatment is mostly supportive of antibiotics and IV fluid with a simultaneous exploration of the abdomen to remove the root cause and cure the patient with antibiotics and IV fluid. D.  The organisms enter the body through various routes like inflamed organs, blood-borne, or direct entry through leakages, perforations etc multiply and come in contact with the peritoneum to pollute it and cause peritonitis. 
Consider the following statements: I. 1/(1 + cosθ) + 1/(1 - cosθ) = 2cosec2θ II. (1 + tan2θ)/ cosec2θ = tan2θ Which of the following statements are correct.