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5 November, 06:44

If sin 0 = 4/5 then what is cos (90-0)

Need answer in fraction

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Answers (1)
  1. 5 November, 10:30
    0
    The result would be back to 4/5.

    You can test this by finding the solving for theta when sin (theta) = 4/5. Then, enter that value into the expression cos (90 - theta). You will be back to just 4/5.
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