LCOL Trigonometry

LCOL Trigonometry

Your progress through this topic0 of 9 lessons

Lessons in this topic

All 9 lessons.

Key ideas in this topic

📖 In the log tables
Abac

c² = a² + b²
Pythagoras TheoremLCOL Trigonometry 1
📖 In the log tables
Abac

sin A = ac cos A = bc tan A = ab
SOHCAHTOA Finding the angleLCOL Trigonometry 2
★ Must learn
angle of elevationangle of depression
Angle of elevation & depressionLCOL Trigonometry 2
★ Must learn
sin A and cos A are bounded

sin A and cos A are always between −1 and 1; tan A is not bounded — it can be any value.

LCOL Trigonometry 2

📖 In the log tables
Sine Rule
Sine RuleLCOL Trigonometry 7
📖 In the log tables
Cosine Rule
Cosine RuleLCOL Trigonometry 8
📖 In the log tables
Area
AreaLCOL Trigonometry 9