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• Trigonometry
• Graphing Trig Functions
• Writting the equation of a sine and cosine graph

# Writting the equation of a sine and cosine graph

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•  Question 1: 1 pts Which graph is sketched in the given image.
 $2 \sin 2x$ $\sin x$ $2\cos x$ $\cos 2x$
•  Question 2: 2 pts Which graph is sketched in the given image.
$y=$
•  Question 3: 1 pts An equation for a sine that has an amplitude of $4$ and a period of $\pi$ is $y=4\sin (2x).$
•  Question 4: 1 pts An equation for a cosine that has an amplitude of $5$ and a period of $\dfrac{2\pi}{3}$ is $y=3\cos (5x).$
•  Question 5: 2 pts Which graph is sketched in the given image.
$f(x)=$
•  Question 6: 2 pts Which graph is sketched in the given image.
$f(x)=$
•  Question 7: 2 pts Which graph is sketched in the given image.
 $\cos\left( x+ \dfrac{\pi}{4} \right)$ $2\cos\left( x+ \dfrac{\pi}{4} \right)$ $\cos\left( x- \dfrac{\pi}{4} \right)$ $2\cos\left( x- \dfrac{\pi}{4} \right)$
•  Question 8: 2 pts Which graph is sketched in the given image.
 $y=3\sin (x+4)$ $y=\sin (3x)+4$ $y=\sin (3x+4)$ $y=3\sin x+4$
•  Question 9: 3 pts Which graph is sketched in the given image.
$f(x)=$
•  Question 10: 3 pts Which graph is sketched in the given image.
$f(x)=$
•  Question 11: 3 pts Which graph is sketched in the given image.
•  Question 12: 3 pts Which graph is sketched in the given image.
 $\cos \left(\dfrac{x}{3}\right)+1$ $2\cos \left(\dfrac{x}{3}\right)+1$ $2\cos \left(\dfrac{x}{3}\right)$ $\cos \left(\dfrac{x}{3}\right)$