Select the correct answer, Using long division, what is the quotient of this expression?
314 - 213 - 1 - 4
12 + 2
-
31 - 4
OA 3.2 + 21 +
22 +2
31 + 6
OB. 332
21 5+
I2+2
51 – 8
Ос. Зt2 + 2
I2+2
31 + 8
OD. 312 – 21 – 6+
I2 +2
-

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b