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25 December, 16:44

Identify the exact value of the trigonometric functions sin x and cos x.

If x is an acute angle and tan x = 5,

The value of sin x =.

The value of cos x =.

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Answers (1)
  1. 25 December, 16:55
    0
    For this case, we have the following expression:

    so x = 5

    Clearing x we have:

    x = atan (5)

    x = 78.69 degrees

    We have then that the values for the sine and the cosine are:

    sine (x) = sine (78.69) = 0.98

    cosine (x) = cosine (78.69) = 0.19

    Answer:

    The value of sine x = 0.98

    The value of cos x = 0.19
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