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11 Cards in this Set
- Front
- Back
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To graphically show that an equation is an identity |
Enter L.H.S into Y1 R.H.S into Y2 and IF the equation is an identity, one and ONLY ONE curve should appear |
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cos^2x + sin^2x = _ |
1 |
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1 + ___ = sec^2x |
tan^2x |
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___ + 1 = csc^2x |
cot^2x |
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sin(A+B) = |
sinAcosB + cosAsinB |
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sin(A-B) |
sinAcosB - cosAsinB |
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cos(A+B) |
cosAcosB - sinAsinB |
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cos(A-B) |
cosAcosB + sinAsinB |
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tan(A+B) |
( tan A + tan B ) / 1 - tanAtanB |
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tan(A-B) |
( tan A - tan B ) / 1 + tanAtanB |
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when given a question that says cos(A+B) = ______ and cos(A-B) = _____ find value of cosAcosB how do you solve it |
solve using system of equations |
