Question

If f(x) = sin x, find f(30°)precalc

Answer 1

f(30°) =
`(1)/(2)`

Explanation:

using the 30- 60- 90 triangle with legs 1 ,
`√(3)` and hypotenuse 2 , then

substitute x = 30° into f(x)

f(30°) = sin30° =
`(1)/(2)`