Kner Page Classes > Play Prodigy N math-winter-adven...
IXL Personal
Z
Problem:
IfX299 and Y = 32º, what is the value of Z?
A 299
B
649
С
610
D
31
590

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