Use sum and difference identities to verify which of the following
identities.
5
1) sin( + 1) - +(ein b+ cose)
2) cola- ) - tz (om 8+ cos es
18
both the equations are identities.
only the first equation is an identity.
only the second equation is an identity.
none of the equations are identities.

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Find the multiplicative inverse of 8-12i

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?