There are other ways of proving the sine rule besides using the method outlined earlier where we made use of the formula for the area of a triangle. B In AABC.BD is the perpendicular from B to AC. By considering AABD and ABCD, find the length of BD, and hence, show that ain A sin c a (a) Can you show that- by considering the perpendicular from C to AB? in A (b) How do you show that for the case where one angle is obtuse? sin B sin 8 b b LA D C a a B

There are other ways of proving the sine rule besides using the method outlined earlier where we made use of the formula for the area of a triangle. B In AABC.BD is the perpendicular from B to AC. By considering AABD and ABCD, find the length of BD, and hence, show that ain A sin c a (a) Can you show that- by considering the perpendicular from C to AB? in A (b) How do you show that for the case where one angle is obtuse? sin B sin 8 b b LA D C a a B

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter58: Achievement Review—section Five

Section: Chapter Questions

Problem 32AR

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