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34 Cards in this Set
- Front
- Back
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Cos( a + 360) =
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Cos a
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Sin( a + 360) =
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Sin a
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Cos( -a ) =
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Cos a
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Sin( -a ) =
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-Sin a
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Sin^2 + Cos^2 =
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1
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{0 < a < 90}, Cos( 90 - a) =
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Sin a
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{0 < a < 90}, Sin( 90 - a ) =
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Cos a
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Sin( 0 ) =
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0
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Sin( 30 ) =
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1/2
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Sin( 45 ) =
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2^(1/2)/2
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Sin( 60 ) =
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3^(1/2)/2
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Sin( 90 ) =
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1
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Sin( 120 ) =
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3^(1/2)/2
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Sin( 150 ) =
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1/2
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Sin( 180 ) =
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0
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Sin( 270 ) =
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-1
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Sin( 360 ) =
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0
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Cos( 0 ) =
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1
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Cos( 45 ) =
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3^(1/2)/2
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Cos( 60 ) =
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1/2
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Cos( 90 ) =
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0
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Cos( 120 ) =
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-1/2
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Cos( 150 ) =
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-3^(1/2)/2
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Cos( 180 ) =
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-1
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Cos( 270 ) =
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0
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Cos( 360 ) =
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1
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Sec =
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1 / Cos
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Csc =
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1 / Sin
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Cot =
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1 / Tan
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cos( a - b ) =
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cos a cos b - sin 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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sin( 2a ) =
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2sin a cos a
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Law of Sines for triangle ABC
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sin(a)/A = sin(b)/B = sin(c)/C
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Law of Cosines for triangle ABC
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C^2 = A^2 + B^2 - 2ABcos c
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