Take a look at the definitions of your trig functions.
hypotenuse = 21
base angle = 50 deg
height/hypotenuse = sin 50 deg
height/21 = .766
height = 16"
The diagonal of a tv screen is 21 in. The television's diagonal forms angle "m", which measures 50 degrees. What is the height of the screen?
2 answers
O don't Get it