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Mathematics 15 Online
OpenStudy (anonymous):

For what value of x is sin x = cos 19°, where 0°< x < 90°? 38° 71° 26° 19°

Directrix (directrix):

The sine and cosine are complementary functions. Complementary angles are angles that sum to 90 degrees. The cos 19 = sin ( 90 - 19)

Directrix (directrix):

What angle is the complement of a 19 degree angle?

OpenStudy (anonymous):

71 degrees

OpenStudy (anonymous):

Thank you again :)

Directrix (directrix):

You are welcome.

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