- How do you give this shape the perimeter in terms of π, in cm?

Discover Questions

F(x)=[sin(3x)/sin(x)]-[cos(3x)/cos(x)]
a) For what values of x does f(x) not exist?
b) Simplify expression [sin(3x)/sin(x)]-[cos(3x)/cos(x)]? Can someone please help me with Geometry question? Does a loud sound have a larger vibration than a quiet sound? (PLEASE ANSWER QUICKLY)? Why did the planets in Interstellar have daylight when they orbit a black hole that gives off no light? Please answer my earlier question?!?