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Pre-Calc 2 Formulas
STUDY
| Question | Answer |
|---|---|
| cos(u)cos(v)+sin(u)sin(v) | What does cos(u-v)=? |
| cos(u)cos(v)-sin(u)sin(v) | What does cos(u+v)=? |
| cos((pi/2)-v) | Cofunction: What does sin(v)=? Use "pi" if needed. |
| sin((pi/2)-v) | Cofunction: What does cos(v)=? Use "pi" if needed. |
| tan((pi/2)-v) | Cofunction: What does cot(v)=? Use "pi" if needed. |
| sec((pi/2)-v) | Cofunction: What does csc(v)=? Use "pi" if needed. |
| csc((pi/2)-v) | Cofunction: What does sec(v)=? Use "pi" if needed. |
| cot((pi/2)-v) | Cofunction: What does tan(v)=? Use "pi" if needed. |
| sin(u)cos(v)+cos(u)sin(v) | What does sin(u+v)=? |
| sin(u)cos(v)-cos(u)sin(v) | What does sin(u-v)=? |
| (1-cos(2x))/2 | sin^(2)(x) |
| (1+cos(2x))/2 | cos^(2)(x) |
| (1-cos(2x))/(1+cos(2x)) | tan^(2)(x) |
| +-((1-cos(theta))/2)^1/2 | What does sin(theta/2)=? |
| +-((1+cos(theta))/2)^1/2 | What does cos(theta/2)=? |
| +-((1-cos(theta))/(1+cos(theta)))^1/2, (sin(theta))/(1+cos(theta)), (1-cos(theta))/(sin(theta)) | What does tan(theta/2)=? Include all three answers. Put a comma then space between each answer. |
| (1/2)[cos(x-y)+cos(x+y)] | What does cos(x)cos(y)=? |
| (1/2)[cos(x-y)-cos(x+y)] | What does sin(x)sin(y)=? |
| (1/2)[sin(x+y)+sin(x-y)] | What does sin(x)cos(y)=? |
| (1/2)[sin(x+y)-sin(x-y)] | What does cos(x)sin(y)=? |
| 2cos((x+y)/2)cos((x-y)/2) | What does cos(x)+cos(y)=? |
| -2sin((x+y)/2)sin((x-y)/2) | cos(x)-cos(y)=? |
| 2sin((x+y)/2)cos((x-y)/2) | What does sin(x)+sin(y)=? |
| 2sin((x-y)/2)cos((x+y)/2) | What does sin(x)-sin(y)=? |
Created by:
SuperChris125c
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