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6 Cards in this Set
- Front
- Back
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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 (a+ b)
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sin a . cos b + cos a . sin b
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sin ( a - b )
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sin a . cos b - cos 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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tan (a-b)
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( tan a - tan b) / ( 1 +tan a . tan b)
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