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    Question

    Find the exact value of tan

    225°
    A 1 Correct Answer Incorrect Answer
    C – (√3/2) Correct Answer Incorrect Answer
    D (1/√2) Correct Answer Incorrect Answer

    Solution

    ATQ,

    tan 225° = tan (180 + 45)°

    We know that tan (180 + θ) = tan θ

    So, tan (180 + 45)° = tan 45°

    So, tan 225° = tan 45° = 1

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