Step-by-step explanation:
in trig there are three functions: sin, cosine, and tan
when using trig, you are supposed to pick one angle to make the equation according to
sin= opposite ÷ hypotenuse
cosine= adjacent ÷ hypotenuse
tan= opposite ÷ adjacent
For example 13:
make the equation according to angle 41
you have the adjacent side and opposite side, so use the tan function
tan(41) = [tex]\frac{4}{x}[/tex]
move x so that it becomes a numerator by multiplying both sides by x:
(x) tan(41) = 4
divide both sides by sin(41): x = 4 ÷ tan(41)
plug this into your calculator to get 4.6
