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17 Cards in this Set
- Front
- Back
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"Sum Identity for Sin"
sin(X+Y) |
sin(X+Y)
= sinXcosY+cosXsinY |
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"Difference Identity for Sin"
sin(X-Y) |
sin(X-Y)
= sinXcosY-cosXsinY |
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"Sum Identity for Cos"
cos(X+Y) |
cos(X+Y)
= cosXcosY-sinXsinY |
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"Difference Identity for Cos"
cos(X-Y) |
cos(X-Y)
= cosXcosY+sinXsinY |
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"Sum Identity for Tan"
tan(X+Y) |
tan(X+Y)
= (tanX+tanY) ÷ (1 - tanXtanY) |
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"Difference Identity for Tan"
tan(X-Y) |
tan(X-Y)
= (tanXtanY) ÷ (1 + tanXtanY) |
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"Reciprocal Identity for Sin"
sinX |
sinX
= 1/cscX |
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"Reciprocal Identity for Cos"
cosX |
cosX
= 1/secX |
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"Reciprocal Identity for Tan"
tanX |
tanX
= 1/cotX |
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"Reciprocal Identity for Csc"
cscX |
cscX
= 1/sinX |
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"Reciprocal Identity for Sec"
secX |
secX
= 1/cosX |
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"Reciprocal Identity for Cot"
cotX |
cotX
= 1/tanX |
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"Quotient Identity for Tan"
tanX |
tanX
= sinX/cosX |
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"Quotient Identity for Cot"
cotX |
cotX
= cosX/sinX |
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"Pythagorean Identity Involving Sin² and Cos²"
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sin²X + cos²X = 1
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"Pythagorean Identity Involving Tan² and Sec²"
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1 + tan²X = sec²X
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"Pythagorean Identity Involving Cot² and Csc²"
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1 + cot²X = csc²X
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