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20 Cards in this Set
- Front
- Back
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The two trigonometric identities: |
tan(x) = sin(x)/cos(x) sin²(x)+cos²(x) = 1 |
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Shows: |
the pattern from Sin (0°) to Sin (90°) is the pattern from Cos (90°) to Cos (0°) |
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Cosine rule |
a² = b² + c² - (2bc*cosA) |
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Sine rule |
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Non-right angled triangle area =? |
1/2 * ab * sin(c) |
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logₐ(n) = x , is equivalent to? |
aˣ = n |
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logarithim law, the multiplication law |
logₐ(x) + logₐ(y) = logₐ(xy) |
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logarithim law, the division law |
logₐ(x) - logₐ(y) = logₐ(x/y) |
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logarithim law, the power law |
logₐ(xᵏ) = K logₐ(x) |
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logarithim law, the power law when k=-1 |
logₐ(x-¹) = logₐ(1/x) = -logₐ(x) |
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logₐ(a) = |
1 |
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logₐ1 = |
0 |
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Whenever f(x) = g(x) , |
logₐf(x) = logₐg(x) |
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in(x) = |
logₑ(x) |
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(2✓2)² |
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OP equation of a line? |
Y1-Y2 = m(X1-X2) |
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Y = e^kx |
Dy/dx = ke^kx |
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Vectors are parallel if? |
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What is a position vector? |
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Vector facts: |
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