Answer:
Identity (a) can be re-written as

which we already proven in another question, while for idenity (b)

step A is simply expressing each function in terms of sine and cosine.
step B is adding the terms on the LHS while multiplying the one on RHS.
step C is replacing the term on the numerator with the equivalent from the pithagorean identity 
Answer:
D) The graph and the table
Step-by-step explanation:
The equation and the verbal description fully represent the situation because their representation is valid for all possible x values. On the other hand, the table and the graph only represent certain x values.
Answer: Jaclyn spent $48
Step-by-step explanation:
3x - 34 = 14
3x = 14+34
X = 48/3 = 16
The mode is the number that shows up the most.
In the dataset, note that the stem should be in the tens place, and the different number of leaves are in the ones place.
62 shows up one more time than all the other numbers, and so 62 is your answer.
Hope this helps
Answer:
B
Step-by-step explanation:
I am assuming that the university has much more than 100 students so 100 people is just a small sample.