Math Chapter Wise question with answer

Q01 The number of real solutions of the equation 1 1 cos2x 2cos (cosx) − + = + = in, 2 π is: English · KVS PGT 23-12-2018 Q02 If tan 2 α and tan 2 β are the root s of the equation 8x2 – 26x + 15 = 0, then find the value of cos(α + β). English · TGT 2013 Q03 The equation 1 cosx.cos x cos x,x 0,6 3 3 4 π + − = ∈ π + − = ∈ π + − = ∈ π + − = ∈ π sum of solution is. English · TGT 2013 Q04 A solution of the equation 1 1 tan (1 x) tan (1 x) 2 is– English · KVS TGT 2017 Q05 The number of real solutions of the following equation is: () () = -1 -1 2 π tan x x +1 + sin x + x +1 2 English · Haryana PGT 2018 Q06 If sin (sin-1 1 4 + cos-1 x) = 1, then the value of x is: English · KVS PGT 2023