Solving second degree trigonometric equations  Trigonometric Equations
Solving second degree trigonometric equations
Basic concepts:
 Reference angle
 Find the exact value of trigonometric ratios
 ASTC rule in trigonometry (All Students Take Calculus)
 Factoring trinomials: $ax^2 + bx + c$
Related concepts:
 Multiplying functions
 Derivative of trigonometric functions
Lessons

1.
Solve the following trigonometric equations: