ADVANCED TRIGONOMETRY (Solutions To Triangle) 📍 LESSON 8📍in ∆ABC, prove: tanA= (asinB)/(c-acosB)
Автор: Prof Yusuf Abdulrahman
Загружено: 2026-01-15
Просмотров: 42
In this math tutorial our task is to prove tanA = asinB/c-acosB.
To show the proof, a few key concepts are explored:
Basic Concepts:
Sine Rule: a/sinA = b/sinB = c/sinC.
Cosine Rules:
a²= b²+c²-2bccos A
b²=a²+c²-2accosB
c²=a²+b²-2accosC.
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