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If for some angle θ,  then the value of sin 3θ, where 2θ ≤ 90° is
  • a)
    1/√2
  • b)
    1
  • c)
    0
  • d)
    √3/2
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
If for some angle θ,then the value of sin 3θ, where 2&thet...
We know that
2θ = cot-1(1/√3) = π/3 for 2θ ≤ 90°
⇒ θ = π/6
⇒ 3θ = π/2
Now, sin 3θ = 1
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If for some angle θ,then the value of sin 3θ, where 2θ ≤ 90° isa)1/√2b)1c)0d)√3/2Correct answer is option 'B'. Can you explain this answer?
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