Kira has $40 to spend and used $20 to buy a new pair of jeans. Which integer best represents the situation of spending $20

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

What is 60.9643790503 to 5 decimal

Determine whether the statement is true or false