Grade 12 / Pre-Calculus
Trigonometry, complex numbers, and limits.
01
Find sin(30°) + cos(60°).
02
Mark 60° on the unit circle.
03
Solve over [0, 2π): 2sin(x) = 1
04
(2 + 3i)(1 − i) = ?
05
Domain of f(x) = √(x − 2)?
06
lim x→2 (x² − 4)/(x − 2) = ?
Trigonometry, complex numbers, and limits.
Find sin(30°) + cos(60°).
Mark 60° on the unit circle.
Solve over [0, 2π): 2sin(x) = 1
(2 + 3i)(1 − i) = ?
Domain of f(x) = √(x − 2)?
lim x→2 (x² − 4)/(x − 2) = ?