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    If tan θ = 3/4 for some angle θ where (0° < θ < 90°), then what is the value of sin θ?
    Question

    If tan θ = 3/4 for some angle θ where (0° < θ < 90°), then what is the value of sin θ?

    A.

    1/5

    B.

    2/5

    C.

    3/5

    D.

    4/5

    Correct option is C

    Given:

    tan θ = 3/4

    Formula Used:
    · tan θ = opposite / adjacent
    · sin θ = opposite / hypotenuse
    · Use Pythagoras Theorem to find hypotenuse:

    hypotenuse² = opposite² + adjacent²

    Solution:

    Let the opposite side = 3 and adjacent side = 4 (from tan θ = 3/4) Then,

    hypotenuse = √(3² + 4²) = √(9 + 16) = √25 = 5
    Now, sin θ = opposite / hypotenuse = 3 / 5

    Final Answer: (c) 3/5

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