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 tanA = n tan B and sin A = m sin B, then cos2 A is equal to: English · Haryana TGT 2019 Q04 If 3 cos(A B) 5 + = + = and 5 sin(A B) 13 − = − =, where 0 ≤ A, B ≥, 4 π then tan 2B is equal to English · UP TGT-2016 (08-03-2019) Q05 If sinα + sinβ + sinγ = 0 and cosα + cosβ + cosγ = 0, then the value of cos(α–β) + cos(β–γ) + cos(γ–α) is: English · NVS PGT 10-06-2019 Q06 If 15 sin 17 θ = θ = then the value of cosθ and tanθ are- English · JDD-75-PGT TIER II-X-15 28.06.2015