Show that the equation is not an identity by listing the value(s) of the variable from among 0, ?/4, ?/2, and - ?/4 for which the equation is false.sin ? + sin 
= sin 
A. 
, 
, and 0
B. 
and - 
C. 
, 
, and - 
D. 
and 0
Answer: C
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For the given angle in standard position, designate the quadrant in which the terminal side lies.
rad
A. II B. III C. I D. IV
Solve the problem.Numbered disks are placed in a box and one disk is selected at random. If there are 6 red disks numbered 1 through 6, and 4 yellow disks numbered 7 through 10, find the probability of selecting a yellow disk, given that the number selected is less than or equal to 3 or greater than or equal to 8.
A. 
B. 
C. 
D. 
Determine if the relation is a function.
A. Function B. Not a function
Identify the type of sampling described by the proposal.A writer for an art magazine randomly selects and interviews fifty male and fifty female artists.
A. simple random sample B. systematic sample C. stratified sample D. convenience sample E. cluster sample