Establish the identity.sin
= -cos ?
What will be an ideal response?
sin 
= sin 
cos ? - cos 
sin ? = (-1) ? cos ? - 0 ? sin ? = - cos ?
Mathematics
You might also like to view...
Write the series in summation notation. Use the index i and let i begin at 1 in each summation.-2 + 3 - 4 + 5 - 6 + 7
A. 
B. 
C. 
D. 
Mathematics
Find fx, fy, and fz.f(x, y, z) = ln (xy)z
A. fx = 
; fy = 
; fz = z ln (xy)z - 1
B. fx = 
; fy = 
; fz = ln (xy)
C. fx = z ln 
; fy = z ln 
; fz = ln (xy)
D. fx = - 
; fy = - 
; fz = ln (xy)
Mathematics
Find a formula for the nth term of the sequence.3, 4, 5, 6, 7 (integers beginning with 3)
A. an = n + 3 B. an = n + 2 C. an = n + 4 D. an = n - 3
Mathematics
Solve the problem.The following scores on the midterm exam in Chemistry 102 were recorded:
Find the 1st quartile, Q1.Find the 3rd quartile, Q3.
A. 71, 89 B. 69, 87 C. 71, 85 D. 75, 87
Mathematics