# Exact Values Of Sine And Cosine

434 words - 2 pages

4-5 Exact Values of Sine, Cosine, and Tangent

RECALL: All Students Take Calculus

| |Q1 |Q2 |Q3 |Q4 |
|SINE (y) |+ |+ |- |- |
|COSINE (x) |+ |- |- |+ |
|TANGENT |+ |- |+ |- |

*ALL positive *Sine positive *Tangent positive * Cosine pos
ALL Students Take Calculus

KEY POINTS (COS [pic], SIN [pic]) WE ALREADY KNOW:

[pic]= 0/360 degrees [pic] = 90 degrees [pic] = 180 degrees [pic] = 270 degrees

POINTS WE WILL MASTER TODAY:

[pic] = 45 ...view middle of the document...

LE.

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