Mathematics

1st -

5thgrade

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TRIGONOMETRI

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8 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Rumus jumlah cos adalah..

    cos (a+b) = cos a cos b - cos a cos b

    cos (a+b) = cos a cos b - sin a sin b

    cos (a+b) = cos a cos b + cos a cos b

  • 2. Multiple Choice
    30 seconds
    1 pt

    Rumus cos (a-b) = ....

    cos a cos b + sin a sin b

    cos a sin b + sin a cos b

    cos a cos b - sin a sin b

    cos a sin b - sin a cos b

  • 3. Multiple Choice
    30 seconds
    1 pt

    Rumus jumlah dan selisih dua sudut sin adalah...

    sin (a+b) = sin a sin b + cos a cos b

    sin (a-b) = sin a sin b - cos a cos b

    sin (a+b) = sin a sin b - cos a cos b

    sin (a-b) = sin a sin b + cos a cos b

    sin (a+b) = sin a cos b + cos a sin b

    sin (a-b) = sin a cos b - cos a sin b

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