Power Reduction & Sum/Difference

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9 Terms

1
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(sin(x))^2 = (1 - cos(2x))/2

Power reduction formula for (sin(x))²

2
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(cos(x))^2 = (1 + cos(2x))/2

Power reduction formula for (cos(x))²

3
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(tan(x))^2 = (1 - cos(2x))/(1 + cos(2x))

Power reduction formula for (tan(x))²

4
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sin(u)*cos(v) + cos(u)*sin(v)

sin(u + v)

5
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sin(u)*cos(v) - cos(u)*sin(v)

sin(u - v)

6
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cos(u)*cos(v) - sin(u)*sin(v)

cos(u + v)

7
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cos(u)*cos(v) + sin(u)*sin(v)

cos(u - v)

8
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(tan(u) + tan(v))/(1 - tan(u)*tan(v))

tan(u + v)

9
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(tan(u) - tan(v))/(1 + tan(u)*tan(v))

tan(u - v)