Math Chapter Wise question with answer

Q01 If x = a cosecθ + b cotθ and y = b cosecθ + a cotθ, then what will be the value of x2 –y2? English · OAVS TGT 2022 Q02 What is the value of the expression given below? cos1º.cos2º.cos3º.cos4º.........cos90º English · DSE TGT 2022 Q03 If 2 2 2 A B (cosA cosB) (sinA sinB) sin, 2 then what is the value of λ? English · OAVS TGT 2021 Q04 If sin4 a – cos4 a = 1/3 then what is the value of 1–2cos2 a? English · OAVS TGT 2019 Q05 The equation 2 2 2 2 x 2cos sin x x x,0 x 2 2 − − π = + < ≤ = + < ≤ = + < ≤ = + < ≤ in what will be: English · TGT 1999 Q06 What is the total number of solution of the equation cos7 x + sin4 x – 1 = 0 which lie in the interval [ ], −π? English · TGT 2013