• 9 years ago
Lesson#1
Exercise 12.5
Toolkit for Exercise 12.5
How to solve a triangle?
To solve a triangle, we can use following formulas:
(1) ++=180°
Don’t use Law of Sines for finding angle, it will go wrong if angle will be obtuse.
/(sin )=/(sin )=/(sin )
(3) Law of Cosines
(4) Law of Tangents
Application of Trigonometry
Chapter No 12
Exercise No 12.5
Mathematics
part 1

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