- #1

- 31

- 0

**y=-3sin(x)+2cos(x)**?

How do you write it as a single sine function equivalent to it?

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- Thread starter princiebebe57
- Start date

- #1

- 31

- 0

How do you write it as a single sine function equivalent to it?

- #2

JK423

Gold Member

- 394

- 7

y=Asinωx+Bcosωx

that will be equivalent to:

y=Rcos(ωx+φ)

where R=sqrt(A^2+B^2) and φ=tan^-1 (A/B)

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