If tanθ+secθ+3, θ being acute, the value of 5 sinθ is:

  1. 5/√3
  2. 4
  3. 5/2
  4. √(3/5)
Monis Rasool Professor Asked on 21st November 2015 in Maths.
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1 Answer(s)

Answer: (2) 4

Explanation:-
tanθ + secθ = 3
sinθ/cosθ + 1/cosθ = 3
(sinθ + 1)/cosθ = 3
sinθ + 1 = 3 cosθ
Sinθ = 3 cosθ – 1

Anurag Mishra Professor Answered on 21st November 2015.
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