Math Chapter Wise question with answer

Q01 Let S be the sum of the first 10 terms of the series. tan–1 1 1 1 1 1 tan tan..... 3 7 13 − − + + + then, tan(S) is... English · EMRS PGT-2023 Q02 If cos(α + β) = 4 5 and sin (α – β) = 5, 13 where 0 ≤ α, β ≤ ' 4 π then tan 2α is equal to: English · EMRS PGT-2023 Q03 If 5(tan2 x – cos2 x) = 2cos 2x + 9, then he value of cos 4x is: English · EMRS PGT-2023 Q04 If cos9θ = sinθ, (9θ < 90º), then the value of tan5θ is: English · EMRS TGT-2023 Q05 If sinθ + cosθ = 3 then the value of tanθ + cotθ is: English · EMRS TGT-2023 Q06 If A B 4 π + =, then (1 + tanA)(1 + tanB)=________. English · OAVS TGT 2022