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Lv 5
:D asked in Science & MathematicsMathematics · 1 decade ago

Find the exact sum of sin(pi/3) + cos(pi/2)?

5 Answers

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  • ?
    Lv 7
    1 decade ago
    Favorite Answer

    cos (π/2) = 0, so:

    sin (π/3)

    √3/2

    (Use the unit circle or a 30-60-90 triangle with sides 1, √3 and 2 to recall this answer)

  • MechEng2030
    Lv 7
    1 decade ago

    Remembering the unit circle:

    sin(pi/3) + cos(pi/2) = √3/2 + 0 = √3/2

  • *Rena*
    Lv 6
    1 decade ago

    Pi-3.141592654 divide pi by 3 in the first one, by 2 in the second one and then add the answers together

  • Anonymous
    1 decade ago

    The answer is 0.866025404

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  • ?
    1 decade ago

    its zero

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