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| Question | Answer |
| b^2 - 4ac > 0 | Two distinct and real roots |
| b^2 - 4ac=0 | Equal Roots |
| b^2 - 4ac<0 | No real roots |
| Trig Identities | sinx/cosx = tanx sin^2x+cos^2x= 1 cos^2x= 1-sin^2x sin^2x= 1-cos^2x |
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