In Exercises 3-10, find the frequency of the function. $$ \begin{array}{ll} ext { 3. } y=\sin x & ext { 4. } y=\sin 3 x \ ext { 5. } y=\cos 4 x+2 & ext { 6. } y=-\cos 2 x \ ext { 7. } y=\sin 3 \pi x & ext { 8. } y=\cos \frac{\pi x}{4} \ ext { 9. } y=\frac{1}{2} \cos 0.75 x-8 & ext { 10. } y=3 \sin 0.2 x+6\end{array} $$

Question

In Exercises 3-10, find the frequency of the function. $$ \begin{array}{ll}	ext { 3. } y=\sin x & 	ext { 4. } y=\sin 3 x \ 	ext { 5. } y=\cos 4 x+2 & 	ext { 6. } y=-\cos 2 x \ 	ext { 7. } y=\sin 3 \pi x & 	ext { 8. } y=\cos \frac{\pi x}{4} \ 	ext { 9. } y=\frac{1}{2} \cos 0.75 x-8 & 	ext { 10. } y=3 \sin 0.2 x+6\end{array} $$

Lowe Weber · Accepted Answer

1. $$f = \frac{1}{2\pi}$$ 2. $$f = \frac{3}{2\pi}$$ 3. $$f = \frac{2}{\pi}$$ 4. $$f = \frac{1}{\pi}$$ 5. $$f = \frac{3}{2}$$ 6. $$f = \frac{1}{8}$$ 7. $$f = \frac{3}{8\pi}$$ 8. $$f = \frac{1}{10\pi}$$

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