Қосу формулалары. Алгебра, 9 сынып, қосымша материал.
Name: ___________________________________Date: _____________________PreCalcREVIEW: SUM/DIFFERENCE FORMULAS#1-6. Using the sum & difference formulas, condense each of the following and express as a trig function of a single angle.1.sin 97o cos 43o cos 97o sin 43o2.cos 72o cos130o sin 72o sin1...
Алгебра