algebra 2 final formulas

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8 Terms

1
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remainder theorem

p(x)/(x-a)=p(a). p(a) is the remainder.

2
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circle equation

(x-h)²+(y-k)²=r²

3
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double angle formula for sin

sin2a=2sinacosa

4
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double angle formula for cos

1-2sin²a

5
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double angle formula for tan

2tana/(1-tan²a)

6
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tan(a+b)

(tana+tanb)/(1-tanatanb)

7
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sin(a+b)

sinacosb+sinbcosa

8
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cos(a+b)

cosacosb-sinasinb

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