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Jika maka

Jika sin space x space 2 over 3 spacemaka space c o t space open parentheses straight pi over 2 minus x close parentheses equals...

  1. fraction numerator square root of 5 over denominator 2 end fraction

  2. 3 over 5 square root of 5

  3. negative 2 over 5 square root of 5

  4. 1 fifth square root of 5

  5. 1 third square root of 5

Jawaban:

sin space x equals 2 over 3

c o t open parentheses straight pi over 2 minus x close parentheses equals negative tan space x  tan space x equals negative 2 over 5 square root of 5

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