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Liula [17]
3 years ago
13

For what value of x is sin x = cos 19º, where 0°< x < 90°?

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0

Answer:

  71°

Step-by-step explanation:

The cosine of an angle is equal to the sine of its complement:

  cos(19°) = sin(90° -19°) = sin(71°)

Comparing to the given expression, we see that x = 71°.

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