Leave a Comment / trigonometry / By preeti Q) Evaluate Ans: Since sin^{2}θ + cos^{2}θ = 1 = = 5 cos^{2} 60 + 4 sec^{2} 30 – tan^{2} 45 = = = =

If Sin θ + Cos θ = √3, then find the value of Sin θ . Cos θ Q) If Sin θ + cos θ = √3, then find the value of Sin θ . Cos θ Ans: Given that Sin θ +…

If Sin α = 1/√2 and Cot β = √3, then find the value of Cosec α + Cosec β. Q) If Sin α = 1/√2 and Cot β = √3, then find the value of Cosec α + Cosec β. Ans: Given that, Sin α…

Prove that, (tanθ + secθ-1)/(tanθ – secθ + 1) = (1 + sinθ)/cosθ Q) Prove that, Ans: 2 methods to solve this question: 1st Method: LHS = = Multiplying numerator…