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    Question

    sin (45° + θ) – cos (45° – θ) is equal

    to
    B sin θ Correct Answer Incorrect Answer
    C 1 Correct Answer Incorrect Answer
    D 2 cosec θ Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    We need to simplify: sin (45° + θ) – cos (45° – θ) is equal to Use Formulas Sine Addition Formula:  

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