$54/$89 means she has dared 60.6742% or you can round to 60.67%
Tan(a/2) = sin a / (1 + cos a)
tan(45/2) = sin(45) / (1 + cos(45)) = (1/√2) / (1 + 1/√2) = (1/√2) / (√2 + 1)/√2 = 1/(√2 + 1) = (√2 - 1)
Answer:
Step-by-step explanation:
-14 = -14/1 = - 14.0
Answer:
1.33
Step-by-step explanation:
480 divided by 360 gets you 1.33
