Establish the identity.cos 
= -sin x
What will be an ideal response?
cos 
= cos x cos 
- sin x sin 
= (cos x)(0) - (sin x)(1) = - sin x.
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Find the number of terms in the sequence or the sum of the sequence as requested.Find the following sum: 5 + 405 + 805 + . . . + 4005
A. 22,050 B. 22,060 C. 22,055 D. 18,045
Create the requested display.The midterm grades for 24 students enrolled in an political science course are listed: 85, 77, 93, 91, 74, 65, 68, 97, 88, 59, 74, 83, 85, 72, 63, 79, 51, 86, 70, 71, 90, 75, 78, 69Create a stem-and-leaf display.
What will be an ideal response?
Match graph with the appropriate equation.
A. 7x2 + 5y2 = 1
B. 
+ 
= 1
C. 49x2 + 25y2 = 1
D. 
+ 
= 1
Given the terms of a finite sequence, classify it as arithmetic, geometric, or neither.2.4, 3.61, 4.82, 6.03
A. Arithmetic B. Neither C. Geometric