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  • 13-12-2020
  • Mathematics
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if 0<0<90, is sin 0 equal to cos (90-0) and for what reason

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Аноним Аноним
  • 13-12-2020

Answer:

When the angle becomes zero, then the base becomes 0, and the perpendicular and the hypotenuse becomes the same line. Since in cos 90, base is 0, therefore therefore cos 90 is zero

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