Anonymous
Anonymous asked in Science & MathematicsMathematics · 9 years ago

Is Sin(2x) the same as 2Sin(x)?

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  • Anov
    Lv 6
    9 years ago
    Favorite Answer

    We know the formula, Sin(a+b) =sina.cosb +cosa.sinb.

    If a=b,

    Then, sin2a= 2sina.cosa

    Then your statement is not corrct.

    sin(2x) = 2sinx.cosx is the right answer. Thank you.

    Source(s): Trgonometrical formula.
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