Describe the graph using another equation.
-$y=\cos \left(x+\frac{\pi}{2}\right)-\cos \left(x-\frac{\pi}{2}\right)$

A) $- 2 \sin x$
B) $- 2 \cos x$
C) $- \sin x$
D) $- \cos x$

Question

Describe the graph using another equation.
-$y=\cos \left(x+\frac{\pi}{2}\right)-\cos \left(x-\frac{\pi}{2}\right)$

A) $- 2 \sin x$ 
B) $- 2 \cos x$ 
C) $- \sin x$ 
D) $- \cos x$

Quizplus · Accepted Answer

The Answer of Describe the graph using another equation.
-$y=\cos \left(x+\frac{\pi}{2}\right)-\cos \left(x-\frac{\pi}{2}\right)$

A) $- 2 \sin x$ 
B) $- 2 \cos x$ 
C) $- \sin x$ 
D) $- \cos x$

Describe the Graph Using Another Equation y=cos⁡(x+π2)−cos⁡(x−π2)y=\cos \left(x+\frac{\pi}{2}\right)-\cos \left(x-\frac{\pi}{2}\right)y=cos(x+2π​)−cos(x−2π​) A) −2sin⁡x- 2 \sin x−2sinx