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

All of the following are good ways to assess your interests and skills, expect
Hormones are chemical substances that regulate many of the body's functions. true or false
Which of the following was not a goal of the UFW? a. career advancement c. better working conditions b. better wages d. benefits
A girl 160cm tall, stands 360 cm from a lamp post at night. Her shadow from the light is 90 cm long. How high is the lamp post?
I tried and found that it is 2 am i correct? if not what is the correct answer and how do u know please :)
What is the energy equivalent of an object with a mass of 2.5 kg? 5.5 × 108 J 7.5 × 108 J 3.6 × 1016 J 2.25 × 1017 J
Do y’all know the answer
Which of the following apply to coal? Select all that apply. A.) pollution is a problem related to burning soft coal. B.) coal undergoes decomposition when hea
Can I Get A Little Help Here?
True or False? Explain your answer. Because sin(−t) = − sin t, it can be said that the sine of a negative angle is a negative number.