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Mathematics

12th

grade

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IDENTITAS TRIGONOMETRI

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

     1  sec2 A1 csc2 A\frac{1\ -\ \sec^2\ A}{1-\ \csc^2\ A} 
    Sederhanakanlah identitas trigonometri diatas. 

     tan A\tan\ A  

     cot A\cot\ A  

     tan2 A\tan^2\ A  

     tan4 A\tan^{4\ }A  

  • 2. Multiple Choice
    30 seconds
    1 pt

    Diketahui  sin x cos x = 38\sin\ x\ \cos\ x\ =\ \frac{3}{8}  . Nilai  1sinx 1cos x\frac{1}{\sin x}-\ \frac{1}{\cos\ x}  adalah ............


     24\frac{2}{4}  

     43\frac{4}{3}  

     34\frac{3}{4}  

     14\frac{1}{4}  

  • 3. Multiple Choice
    30 seconds
    1 pt

     sinxcos x\frac{\sin x}{\cos\ x}  = ....

    cosec x

    Secan x

    Cotan x

    tan x

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