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If tan θ = 4/3 and θ is acute, find the value of sin θ.

Competition practiceTrigonometry
  • A4/5
  • B3/5
  • C5/4
  • D3/4

Step-by-Step Solution

tan θ = 4/3 means opposite = 4, adjacent = 3, hypotenuse = √(16 + 9) = 5. So sin θ = 4/5.
Answer: A) 4/5

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