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26 March, 19:55

Consider triangle ABC, where angle C is a right angle. Given that cos (A) < sin (A), select all the angle measure (s) for Angle A that would make a true statement.

Question 3 options:

10 degrees

65 degrees

45 degrees

30 degrees

85 degrees

70 degrees

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Answers (1)
  1. 26 March, 20:03
    0
    Cos 0º=1 sin 0º=0

    cos 45º=√2 / 2 sin 45º=√2 / 2

    cos 90º=0 sin 90º=1

    Therefore, if cos (A) 45º.

    Answer: Given that cos (A)
    65 degrees

    70 degrees

    85 degrees.
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