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x
=
−
b
±
b
2
−
4
a
c
2
a
\displaystyle x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}
x
=
2
a
−
b
±
b
2
−
4
a
c
sin
2
θ
+
cos
2
θ
=
1
\sin^2\theta + \cos^2\theta = 1
sin
2
θ
+
cos
2
θ
=
1
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Academic Skill Progress
Active
Quadratic Equations
85%
Right-Angled Trigonometry
40%
Coordinate Geometry
95%
Calculated weekly improvement
+12.4%
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