Question

sin(A-B) + sin(B-C) + sin(C-A)
-------------- -------------- -------------- = ?
cosAcosB cosBcosC cosCcosA
​

Answer 1

Answer:

Solve each of the following equations when 0° < A <90° .

Sin ^2 A - 2cos A +1/4 =0 please mark me brainlest