math
posted by davis .
help! what ia 1/4(sin4x)? just to jump start this proof

What are we proving?
All you gave us was the expression (1/4)sin 4x
What about it?
Respond to this Question
Similar Questions

Calculus
Evaluate the integral e^x sin4x dx. I know the answer is 1/17 e^x sin4x  4/17 e^x cos4x + C but I don't know how to solve it out. 
physics
the maximum height a typical person can jump from a crouched start is about 60cm. By how much does the gravitational potential energy increase for a 72kg person in such a jump? 
MATH
Using the Law of Cosines for vectors, give a vector proof that if quadrilateral ABCD is a rhombus, diagonal AC bisects <BAD. As part of your proof include a carefully drawn figure a statement of what is given, and a statement of … 
math
A bourbon that is 51proof is 25.5% alcohol by volume while one that is 82proof is 41% alcohol by volume. How many liters of 51 proof bourbon must be mixed with 1.0L of 82 proof bourbon to produce a 66 proof bourbon? 
Math
Please help me with this problem: A bourbon that is 51 proof is 25.5% alcohol by volume while one that is 82 proof is 41% alcohol. How many liters of 51 proof bourbon must be mixed with 1.0 L of 82 proof bourbon to produce a 66 proof … 
college math
I posted this problem earlier, but I still can't figure it out. It is for extra credit. I was hoping if someone could please solve it. I would greatly appreciate it. A bourbon that is 51 proof is 25.5% alcohol by vol. while one that … 
Science
Jill is jumping on a trampoline in her backyard. When will she have both potential and kinetic energy? 
5th Grade Math
Jason and Doug competed in the long jump at a track meet. Jason long jump was 98 inches. Doug long jump was 3 yards. How much longer was Doug jump than Jason Jump? 
Physics
I'm confused on where to start. Can someone help break it down. That would be so helpful. 1.) an athlete executing a long jump leaves the ground at a 30° angle and travels 7.80 m. What was the takeoff speed? 
Pre calc
Please help me proof the identity. This isn't even math to me, I can not understand it so please show all work. God bless A)1cos2x/sin2x=tanx B) sin4x/sinx=4cosxcos2x