- #1
manbush
- 7
- 0
Law of Sine = Sin A/a = Sin B /b = Sin c/c
Law of Cosines
a^2=b^2 + c^2 - 2bc Cos A
I used to know how to "prove" both of these laws but I haven't touched math for years.
Can someone "prove" them or "explain" what these laws exactly mean?
Law of Cosines
a^2=b^2 + c^2 - 2bc Cos A
I used to know how to "prove" both of these laws but I haven't touched math for years.
Can someone "prove" them or "explain" what these laws exactly mean?