Find the vector sum of n coplanar forces, each of magnitude F, when each force is making an angle of 2/n with the preceding one.
![A periodic function f(x) of period 2π is defined as f(x)= {(-1, for [-π, 0] and 1, for [0, π] - YouTube A periodic function f(x) of period 2π is defined as f(x)= {(-1, for [-π, 0] and 1, for [0, π] - YouTube](https://i.ytimg.com/vi/5K-q9bjAbL0/hqdefault.jpg)
A periodic function f(x) of period 2π is defined as f(x)= {(-1, for [-π, 0] and 1, for [0, π] - YouTube
How does the term sin (2*pi*f*t) come from? I know that sin and cosine take radians as arguments which will be (pi/2) * (no. of degrees) but why do we mulitply f*t?
![Consider the function f(x)=(x+2)/cos(x) with the domain [0,2pi]. Where is f(x) continuous on [0,2pi]? Express your answer in interval notation. | Homework.Study.com Consider the function f(x)=(x+2)/cos(x) with the domain [0,2pi]. Where is f(x) continuous on [0,2pi]? Express your answer in interval notation. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/screen_shot_2018-08-09_at_5.17.40_pm5485221551351391721.png)
Consider the function f(x)=(x+2)/cos(x) with the domain [0,2pi]. Where is f(x) continuous on [0,2pi]? Express your answer in interval notation. | Homework.Study.com
![Continuum extrapolation of the form factors f 1 (v · p π ) + f 2 (v · p... | Download Scientific Diagram Continuum extrapolation of the form factors f 1 (v · p π ) + f 2 (v · p... | Download Scientific Diagram](https://www.researchgate.net/publication/359129777/figure/fig3/AS:1131918213033985@1646881740215/Continuum-extrapolation-of-the-form-factors-f-1-v-p-p-f-2-v-p-p-and-f-2-v.png)
Continuum extrapolation of the form factors f 1 (v · p π ) + f 2 (v · p... | Download Scientific Diagram
![If f(x) = 0 is a quadratic equation such that f( - pi) = f(pi) = 0 and f (pi /2) = - 3pi^2/4 , then limit x→-pif(x)/sin(sinx) is equal to If f(x) = 0 is a quadratic equation such that f( - pi) = f(pi) = 0 and f (pi /2) = - 3pi^2/4 , then limit x→-pif(x)/sin(sinx) is equal to](https://dwes9vv9u0550.cloudfront.net/images/9043427/0922b9dd-e5e3-4d59-9904-0957229dff0d.jpg)