Cos (x+y)/cos x sin y
= cos x cos y - sin x sin y / cos x sin y
= cos x cos y/cos x sin y - sin x sin y / cos x sin y
hope this helps
Answer:
2x - 15
3a + 17
1000/y
Step-by-step explanation:
1.
15 less means subtract 15
twice a number is 2x
Answer: 2x - 15
2.
increased by 17 means add 17
3 times a number is 3a
Answer: 3a + 17
3.
1000 divided by y number of employees
Answer: 1000/y
Answer: 667556755788655000000
Step-by-step explanation: braniliest pls
Answer:
Step-by-step explanation:
So the single blocks are 1, the lines are 10, the single layer is 100 and the blocks are 1000. Let em know if you don't quite get that. But to find how many blocks are there in total we add each part.
1 block + 2 surfaces + 3 lines +6 single little blocks. that's one 1,000, two 100s, three 10s and six 1s or in other words 1,000 + 200 + 30 + 6 = 1,236
X = -5 is a vertical line and therefore has an undefined slope.