umanda123
umanda123
04-04-2018
Mathematics
contestada
What is equal to sin 30
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Bladerunner1976
Bladerunner1976
04-04-2018
From the unit circle sin 30 = sin pi/6 = 1/2.
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Noah11012
Noah11012
04-04-2018
The sine of any angle is equal to the cosine of the complementary angle.
Complementary angle means two angles whose total equal to 90 degrees.
The complementary angle for 30 degrees is 90 degrees - 30 degrees or 60 degrees.
So, sin(30) = cos(60).
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