Answer:
C) the difference identity for the cosine function
Step-by-step explanation:
The last line showing shows the cosine of the difference of two angles. The difference identity for the cosine function would seem to be indicated.
To do that is by the number 12 and is 12. and the 5 tenth is . 5 then put them together equals 12.5
yes b one it is thathhaa ajajajjsjaajjajKKkzKKkzkK
Answer: -19r + 31.7s i think
Step-by-step explanation: