Prove the identity.cos 
= 
cos x - 
sin x
What will be an ideal response?
cos 
= cos x cos 
- sin x sin 
= 
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?
A. 17.05
B. 0.79
C. 13.65
D. None of the above
and 
, what is the value of
Let p represent a true statement and let q represent a false statement. Find the truth value of the given compound statement.[(~p ? ~q) ? ~q]
A. True B. False
In the following question(s), FN represents the Nth Fibonacci number.If F500 = a and F501 = b, then F502 =
A. 2a - b. B. a + b. C. a + 2a. D. b - a. E. none of these
Use the bar graph to answer the question.The following graph shows the average starting salary for graduates of five different schools with a degree in mathematics. 
What was the least average starting salary among the five schools?
A. $38,510 B. $52,236 C. $46,486 D. $35,842