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14 November, 04:50

1. Simplify.

tan (x + 540)

2. Simplify the expression.

sec (x - 360)

3. Simplify.

5cos (x) + 3cos (-x)

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Answers (1)
  1. 14 November, 08:33
    0
    Assuming x = 1 and is not any other value. I will answer two of those and leave one of them to you.

    1:

    tan (1+540)

    0.754012

    3:

    5 (cos (1)) + 3 (cos (-1))

    4.322418
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