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Tag Archives: Aptitude-Trigonometry & Height and Distances

The least value of 2sin2θ + 3cos2θ (A) 1/3 (B) 4/3 (C) 2 (D) 3/4 Answer: (C) Explanation: = 2sin2θ + 2cos2θ + cos2θ =2(sin2θ… Read More
If tan (x+y) tan (x-y) = 1, then find tan (2x/3)? (A) 2/√3 (B) 1/2 (C) 1/√2 (D) 1/√3 Answer: (D) Explanation: tanA = cotB,… Read More
What is minimum value of Sinθ + cosθ ? (A) -2 (B) 1/2 (C) -1 (D) -√2 Answer: (D) Explanation: Minimum value = √(a2 –… Read More
What is the maximum value of 5 Sinθ + 12 cosθ? (A) 16 (B) 13 (C) 10 (D) 12 Answer: (B) Explanation: Maximum value =… Read More