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2 June, 16:57

The cosine of the complimentary angle to 38°

a.

0.68

c.

-0.22

b.

-0.16

d.

0.62

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.

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Answers (1)
  1. 2 June, 17:47
    0
    The complementary angle of 38° = 90°-38° = 52° (te sum of 2 complimentary angles = 90°)

    Hence co (52) = 0.615 or rounded to 2 decimals = 0.62 (answer d)
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