Think of a 5-12-13 triangle.
Draw the triangle and review your basic trig functions.
If θ is an acute angle and tan(θ)=5/12, then sin(θ)=??
2 answers
tan(θ) = y/x
= 5/12
Find r
r^2 = x^2 +y^2
= 12^2 + 5^2
= 144 + 25
r = Square Root (169)
r = 13
sin(θ) = y/r = 5/13
= 5/12
Find r
r^2 = x^2 +y^2
= 12^2 + 5^2
= 144 + 25
r = Square Root (169)
r = 13
sin(θ) = y/r = 5/13