Math Chapter Wise question with answer

Q01 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 Q02 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 Q03 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 Q04 If 3 sin 2θ = 2 sin 3θ and 0 < θ < π then value of sin 2θ is– English · KVS TGT DEC 2017 Q05 If sin sin a α + β = α + β = α + β = α + β = and cos cos b α − β = α − β = α − β = α − β = then the value of tan 2... English · TGT 2013 Q06 If 1 1 2 sin x sin y 3 and 1 1 cos x cos y 3 then the value of (x,y) is– English · GIC Lecturer Exam-2015