umanda123 umanda123
  • 04-04-2018
  • Mathematics
contestada

What is equal to sin 30

Respuesta :

Bladerunner1976
Bladerunner1976 Bladerunner1976
  • 04-04-2018
From the unit circle sin 30 = sin pi/6 = 1/2.
Answer Link
Noah11012
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).


Answer Link

Otras preguntas

What is the domain and range of the graph?
Which inequality best represents the graph? a. y<1/2x-1 b. y≤2x-1 c. y<2x-1 d. y≤1/2x-1
What is 32% of 82 ?????????????????????????/
What is the distance between points D and H? Round to the nearest tenth of a unit. D(1,3) H(9,8)
What is the g.c.f of 18x15
I'm confused as to how you got 6b=192 from 5b+b=192 please explain where 6 comes from
Q. Jace is thinking of a number greater than 3.145 but less than 3.146. What number could he be thinking of and explain?
Glucocorticoids do which of the following? 1. promote the release and breakdown of fatty acids 2. increase blood glucose levels
Find the value of X rounded to the nearest tenth A)5.1 B)9.2 C)5.8 D)5.2
Mi mardes es médica; por eso: A. Le importa la buena nutricíon. B.Le faltan pacientes. C.No Le gustan las verduras. D.no le parace importante la nutrición.