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