Question

What is the sine of a 30° angle?

Answer 1

you need a nice trig cheat sheet

Answer 2

find the coordinates of the point corresponding to the 30 degree angle
the first coordinate is cosine, the second coordinate is sine

Answer 3

so, 3/2?

Answer 4

@satellite73 and why is the 30 and 60 the same? is it 1/2 or 2/3?

Answer 5

3/2*

Answer 6

my professor told me that to find sin30 we have to look at the 30 degree angle.. and use opposite/ hypotenuse

Answer 7

this is a standard 30 degree and 60 degree triangle