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15 Cards in this Set
- Front
- Back
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Sin of Angles: 0, 30, 45, 60, 90
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√0/2, √1/2, √2/2, √3/2, √4/2
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Cosine of Angles: 0, 30, 45, 60, 90
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√4/2, √3/2, √2/2, √1/2, √0/2
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Tangent of Angles: 0, 30, 45, 60, 90
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0, √3/3, 1, √3, ∞
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Sin(a+b)= ?
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sin(a)•cos(b)+cos(a)•sin(b)
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Cos(a+b)= ?
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cos(a)•cos(b)-sin(a)•sin(b)
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Tan(a+b)= ?
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tan(a)+tan(b)/1-tan(a)•tan(b)
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Sin(a-b)= ?
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sin(a)•cos(b)-cos(a)•sin(b)
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Cos(a-b)= ?
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cos(a)•cos(b)+sin(a)•sin(b)
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Tan(a-b)= ?
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tan(a)+tan(b)/1-tan(a)•tan(b)
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Sin(2a)
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2sin(a)•cos(a)
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Cos(2a)
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cos²(a)-sin²(a)
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Tan(2a)
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2tan(a)/1-tan²(a)
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Sin(3a)
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3cos²(a)•sin(a)-sin³(a)
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Cos(3a)
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cos³(a)-3sin²(a)•cos(a)
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Sin(a/2)
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±√1-cos(a)/2
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