The measure of < 1 =
o 45
90
180

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

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

Which expression is the factorization of x^2+10+21