Math Chapter Wise question with answer

Q01 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 Q02 If 1 cosθ x= – sinθ sinθ and 1 cosθ y = + sinθ sinθ then which of the following is true. English · OAVS TGT 2019 Q03 If 3 sin 2θ = 2 sin 3θ and 0 < θ < π then value of sin 2θ is– English · KVS TGT 2017 Q04 In a ∆ ∆ ∆ABC, b = 5 cm, a = 2 cm and 3 sinA = 7. How many such triangles are possible? English · UP TGT 2021 Q05 If tanA = n tan B and sin A = m sin B, then cos2 A is equal to: English · Haryana TGT 2019 Q06 In a ∆ ∆ ∆ ABC, a, c, A are given and b1, b2 are two values of the third side b such that b2 = 2b1 then sin A = English · Haryana PGT 2018