Evaluate the following expression. (x ? ?/2+?n, where n is a whole number)
?
2 cos x + 2 sin x tan x
?
A. -2 sec x
B. 2 sec x
C. 4 cos x
D. -4 cos x
E. 3 sin x
Answer: B
Mathematics
You might also like to view...
Provide an appropriate response.The polynomial -19m7 is called a 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Change the logarithmic expression to an equivalent expression involving an exponent.logb64 = 3
A. b3 = 64 B. 643 = b C. 3b = 64 D. 64b = 3
Mathematics
Find the volume. Round results to the nearest tenth if necessary.A cone with height 19 in. and radius 3 in.
A. 358 in.3 B. 268.5 in.3 C. 179 in.3 D. 119.3 in.3
Mathematics
Write the number in words.3072
A. Three million, seventy-two B. Three hundred thousand, seventy-two C. Three thousand, seventy-two D. Thirty thousand, seventy-two
Mathematics